Search references for LAYER. Phrases containing LAYER
See searches and references containing LAYER!LAYER
Topics referred to by the same term
Look up layer or layers in Wiktionary, the free dictionary. Layer or layered may refer to: Layers (Kungs album) Layers (Les McCann album) Layers (Royce
Layer
Cryptographic protocols for securing data in transit
Transport Layer Security (TLS) is a cryptographic protocol designed to provide communications security over a computer network, such as the Internet.
Transport_Layer_Security
Digital optical disc data storage format
same dimensions. A standard single-layer DVD can store up to 4.7 GB of data, a dual-layer DVD up to 8.5 GB. Dual-layer, double-sided DVDs can store up to
DVD
Model of communication of seven abstraction layers
application. Each layer has well-defined functions and semantics and serves a class of functionality to the layer above it and is served by the layer below it
OSI_model
Topics referred to by the same term
Look up layering in Wiktionary, the free dictionary. Layering may refer to: Layering (horticulture), a means of vegetative propagation Layering (finance)
Layering
Method of solving the Rubik's Cube
Layer-by-layer methods are a family of methods for solving the 3×3×3 Rubik's Cube. Such methods are the most frequently known as beginners' methods, as
Layer-by-layer_method
Framework for communication protocols used in IP networking
the layers are the link layer, containing communication methods for data that remains within a single network segment (link); the internet layer, providing
Internet_protocol_suite
Layer in the Internet protocol suite and OSI model
networking, the transport layer is an abstraction layer in the Internet protocol suite and the OSI model. The protocols of this layer provide end-to-end communication
Transport_layer
Gas layer surrounding Earth
The atmosphere of Earth consists of a layer of mixed gas (commonly referred to as air) that is retained by gravity, surrounding the Earth's surface. It
Atmosphere_of_Earth
Digital audio format
MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is an audio coding format developed largely by the Fraunhofer Society in Germany under
MP3
Networking middleware
In intelligent networks (IN) and cellular networks, service layer is a conceptual layer within a network service provider architecture. It aims at providing
Service_layer
Third layer of the OSI model
In the seven-layer OSI model of computer networking, the network layer is layer 3. The network layer is responsible for packet forwarding including routing
Network_layer
Second layer of the OSI networking model
The data link layer, or layer 2, is the second layer of the seven-layer OSI model of computer networking. This layer is the protocol layer that transfers
Data_link_layer
2004 British crime film by Matthew Vaughn
Layer Cake is a 2004 British crime drama thriller film directed by Matthew Vaughn, in his directorial debut. The screenplay was adapted by J. J. Connolly
Layer_Cake_(film)
Region of the stratosphere
The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. It contains a high concentration
Ozone_layer
Highest layer of network communication models
An application layer is an abstraction layer that specifies the shared communication protocols and interface methods used by hosts in a communications
Application_layer
Way of hiding details of a computing subsystem
abstraction layer or abstraction level is a way of hiding the working details of a subsystem. Examples of software models that use layers of abstraction
Abstraction_layer
Scientific study of language
Linguistics is the scientific study of language. The areas of linguistic analysis are syntax (rules governing the structure of sentences), semantics (meaning)
Linguistics
System for exchanging messages between computing systems
layers above it are numbered. Each layer provides service to the layer above it using the services of the layer immediately below it. The top layer provides
Communication_protocol
Technique for making thin films
Layer-by-layer (LbL) deposition is a thin film fabrication technique. The films are formed by depositing alternating layers of complementary materials
Layer_by_layer
Outer layer of the cerebrum of the mammalian brain
The cerebral cortex, also known as the cerebral mantle, is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals.
Cerebral_cortex
Interface that allows binaries to run on particular system
In software engineering, a compatibility layer is an interface that allows binaries for a legacy or foreign system to run on a host system. This translates
Compatibility_layer
Layer of fluid in the immediate vicinity of a bounding surface
In physics and fluid mechanics, a boundary layer is the thin layer of fluid in the immediate vicinity of a bounding surface formed by the fluid flowing
Boundary_layer
Lowest abstraction layer in the Internet protocol suite
networking, the link layer is the lowest layer in the Internet protocol suite, the networking architecture of the Internet. The link layer is the group of
Link_layer
Lowest-level electronic or optical transmission functions of a network
In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer: the layer most closely associated with
Physical_layer
Molecular interface between a surface and a fluid
In surface science, a double layer (DL, also called an electrical double layer, EDL) is a structure that appears on the surface of an object when it is
Double layer (surface science)
Double_layer_(surface_science)
In electrochemistry, region surrounding an electrode in solution
In electrochemistry, the diffusion layer, according to IUPAC, is defined as the "region in the vicinity of an electrode where the concentrations are different
Diffusion_layer
HTML element
Layers were the core of a method of dynamic HTML programming specific to Netscape 4. Each layer was treated as a separate document object in JavaScript
Layer_element
Type of forest with high rainfall
high humidity, the presence of moisture-dependent vegetation, a moist layer of leaf litter, the presence of epiphytes and lianas and the absence of
Rainforest
Body of salt water covering most of Earth
layer of about 100 m is quite stable and does not mix much with deeper water, while near the poles winter cooling and storms makes the surface layer denser
Ocean
Air mass forming over a large body of water
A marine layer is an air mass that develops over the surface of a large body of water, such as an ocean or large lake, in the presence of a temperature
Marine_layer
Term used in Indian politics
Creamy layer is a term used in reservation system of India to refer to some members of a backward class who are highly advanced socially as well as economically
Creamy_layer
Structure at the rear of the vertebrate brain, beneath the cerebrum
cortex is actually a thin, continuous layer of tissue tightly folded in the style of an accordion. Within this thin layer are several types of neurons with
Cerebellum
Sixth layer of the OSI model of telecommunications
In the seven-layer OSI model of computer networking, the presentation layer is layer 6 and serves as the data translator for the network. It is sometimes
Presentation_layer
Component in sedimentology
Schiller layers, also known as the iridescent layers, are a series of layers formed by sedimenting particles separated by approximately equal distances
Schiller_layers
Japanese manga series by Clamp
Angelic Layer (Japanese: エンジェリックレイヤー, Hepburn: Enjerikku Reiyā) is a Japanese manga series created by Clamp. The manga was published in Japan by Kadokawa
Angelic_Layer
Interior of the earth
physical properties in the solid Earth. The primary structure is a series of layers: Its mechanical structure is of a rigid lithosphere, a semi-fluid asthenosphere
Internal_structure_of_Earth
Cake made from stacked layers of cake held together by filling
A layer cake (US English) or sandwich cake (UK English) is a cake consisting of multiple stacked sheets of cake, held together by a filling such as frosting
Layer_cake
The Malpighian layer (stratum mucosum or stratum malpighii) of the epidermis is generally defined as both the stratum basale (basal layer) and the thicker
Malpighian_layer
Computer system that receives and forwards requests
Encryption/SSL acceleration: when secure websites are created, the Secure Sockets Layer (SSL) encryption is often not done by the web server itself, but by a reverse
Proxy_server
Topics referred to by the same term
Double layer may refer to: Double layer (biospecific), the surface where two different phases of matter are in contact Double layer (plasma physics), a
Double_layer
Layer in the OSI model
Layer 8 is a term used to refer to user or political layer on top of the 7-layer OSI model of computer networking. The OSI model is a 7-layer abstract
Layer_8
Star at the centre of the Solar System
86% of the total mass of the Solar System. The mass of the Sun's surface layer, its photosphere, consists mostly of hydrogen (~73%) and helium (~25%),
Sun
Board to support and connect electronic components
insulating layers, each with a pattern of traces, planes and other features (similar to wires on a flat surface) etched from one or more sheet layers of copper
Printed_circuit_board
Digital optical disc format
per layer, with dual-layer discs (50 GB) being the industry standard for feature-length video discs. Triple-layer discs (100 GB) and quadruple-layer discs
Blu-ray
Algorithm for modelling sequential data
converted into a vector via lookup from a word embedding table. At each layer, each token is then contextualized within the scope of the context window
Transformer_(deep_learning)
Computer networking protocol
In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery
Layer_2_Tunneling_Protocol
Primary layer of cells in embryonic development
A germ layer, primary germinal layer, or germinal layer is a primary layer of cells that forms during animal embryonic development. Germ layers form during
Germ_layer
Symbiosis of fungi with algae
secretion layer may or may not have pores. Below the cortex layer is a layer called the photobiontic layer or symbiont layer. The symbiont layer has less
Lichen
thickness and shape of boundary layers formed by fluid flowing along a solid surface. The defining characteristic of boundary layer flow is that at the solid
Boundary_layer_thickness
Vertical layering of a habitat
stratification refers to the vertical layering of a habitat; the arrangement of vegetation in layers. It classifies the layers (sing. stratum, pl. strata) of
Stratification_(vegetation)
Architectural motif in neural networks for aggregating information
In neural networks, a pooling layer is a kind of network layer that downsamples and aggregates information that is dispersed among many vectors into fewer
Pooling_layer
1981 musical by Andrew Lloyd Webber
the "Jellicle choice" by deciding which cat will ascend to the Heaviside Layer and come back to a new life. As of 2024, Cats remains the fifth-longest-running
Cats_(musical)
Hair-styling technique
layers, or blended layering with soft layers. Hair color can also amplify the layering effect that layers give in a certain hair style. The layered hair
Layered_hair
Type of feedforward neural network
convolutional layer are required to process 5x5-sized tiles. Higher-layer features are extracted from wider context windows, compared to lower-layer features
Convolutional_neural_network
Topics referred to by the same term
Heaviside layer may refer to: Kennelly–Heaviside layer, a layer in the Earth's atmosphere A fictional afterlife in the musical Cats This disambiguation
Heaviside_layer
Layer in standard computer networking model
In the seven-layer OSI model of computer networking, the session layer is layer 5. The session layer provides the mechanism for opening, closing and managing
Session_layer
sciences, the free convective layer (FCL) is the layer of conditional or potential instability in the troposphere. It is a layer in which rising air can experience
Free_convective_layer
Base protocol of a blockchain network
Layer-1 blockchain refers to the base protocol of a blockchain network that operates independently and can process and finalize cryptocurrency transactions
Layer-1_blockchain
Type of feedforward neural network
perceptron model, consisting of an input layer, a hidden layer with randomized weights that did not learn, and an output layer with learnable connections. In 1962
Multilayer_perceptron
Cross-layer optimization is an escape from the pure waterfall-like concept of the OSI communications model with virtually strict boundaries between layers.
Cross-layer_optimization
Atmospheric phenomenon
and a much larger springtime decrease in stratospheric ozone (the ozone layer) around Earth's polar regions. The latter phenomenon is referred to as the
Ozone_depletion
Protocol used by network devices for advertising their identity
The Link Layer Discovery Protocol (LLDP) is a link-layer protocol used by network devices for advertising their identity, capabilities, and neighbors
Link_Layer_Discovery_Protocol
XML schema describing layers on maps
Styled Layer Descriptor (SLD) is an XML schema specified by the Open Geospatial Consortium (OGC) for describing the appearance of map layers. It is capable
Styled_Layer_Descriptor
Way of dressing
both comfort and insulation. Layered clothing usually consists of three layers. They are identified as follows: The inner layer provides comfort by keeping
Layered_clothing
HTTP extension supporting TLS encryption
communication protocol is encrypted using Transport Layer Security (TLS) or, formerly, Secure Sockets Layer (SSL). The protocol is therefore also referred
HTTPS
Ionized part of Earth's upper atmosphere
influences radio propagation to distant places on Earth. Travel through this layer also affects GPS signals, deflecting their paths and delaying their arrival
Ionosphere
Type of layer in artificial neural networks
artificial neural networks, a hidden layer is a layer of artificial neurons that is neither an input layer nor an output layer. The simplest examples appear
Hidden_layer
Communications protocol
Datagram Transport Layer Security (DTLS) is a communications protocol providing security to datagram-based applications by allowing them to communicate
Datagram Transport Layer Security
Datagram_Transport_Layer_Security
Computing system architecture
strict layered system, each layer depends on the layer below it and can exist without the layers above it. In a relaxed layered system, a layer can also
Multitier_architecture
Technique used to separate non-volatile mixtures
Thin-layer chromatography (TLC) is a chromatography technique that separates components in non-volatile mixtures. It is performed on a TLC plate made
Thin-layer_chromatography
Layer of sediment, rock or soil with internally consistent characteristics
strata) is a layer of rock or sediment characterized by certain lithologic properties or attributes that distinguish it from adjacent layers from which
Stratum
Deep learning model structure
and then passes it to the next layer. The first type of layer is the Dense layer, also called the fully-connected layer, and is used for abstract representations
Layer_(deep_learning)
Type of cyber-attack
application layer DDoS attack (sometimes referred to as layer 7 DDoS attack) is a form of DDoS attack where attackers target application-layer processes
Denial-of-service_attack
Type of artificial neural network
{\displaystyle k} th nodes, which represent the output layer. So to change the hidden layer weights, the output layer weights change according to the derivative of
Feedforward_neural_network
Soft outer covering organ of vertebrates
Skin is the layer of usually soft, flexible outer tissue covering the body of a vertebrate animal, with three main functions: protection, regulation,
Skin
Method in speedcubing
CFOP stands for Cross, F2L (first 2 layers), OLL (Orientation of the Last Layer), PLL (Permutation of the Last Layer). It is one of the fastest methods
CFOP_method
Layer of many organs in vertebrates
The muscular layer (muscle layer, muscular coat, muscular fibers, muscularis propria, muscularis externa) is a region of muscle in many organs in the
Muscular_layer
Technique used for writing to DVD-R Dual Layer discs
Layer Jump Recording (LJR) is a writing method used for DVD-R DL (Dual Layer). LJR alternates between recording layers during the writing process, as compared
Layer_Jump_Recording
Network which provides access to consolidated, block-level data storage
allow access to the SAN and its storage devices are said to form the host layer of the SAN. Such servers have host adapters, which are cards that attach
Storage_area_network
High-capacity electrochemical capacitor
Electrostatic double-layer capacitors (EDLCs) use carbon electrodes or derivatives with much higher electrostatic double-layer capacitance than electrochemical
Supercapacitor
Business representation of data
A semantic layer is a business representation of corporate data that helps end users access data autonomously using common business terms managed through
Semantic_layer
Delay-based audio effects system
Layered costmaps is a method to create and update maps for robot navigation and path planning proposed by David V. Lu in 2014. During robot navigation
Layered_costmaps
Two-dimensional laminar boundary layer that forms on a semi-infinite plate
a Blasius boundary layer (named after Paul Richard Heinrich Blasius) describes the steady two-dimensional laminar boundary layer that forms on a semi-infinite
Blasius_boundary_layer
Part of the eye
Latin rete 'net'; pl. retinae or retinas) is the innermost, light-sensitive layer of tissue of the eye of most vertebrates and some molluscs. The optics of
Retina
Novel by J. J. Connolly
Layer Cake is the debut novel of British author J. J. Connolly, first published in 2000 by Duckworth Press. It was made into a motion picture in 2004
Layer_Cake_(novel)
A wetting layer is an monolayer of atoms that is epitaxially grown on a flat surface. The atoms forming the wetting layer can be semimetallic elements/compounds
Wetting_layer
Feature of the TLS network security protocol
Application-Layer Protocol Negotiation (ALPN) is a Transport Layer Security (TLS) extension that allows the application layer to negotiate which protocol
Application-Layer Protocol Negotiation
Application-Layer_Protocol_Negotiation
Type of virtual private network
A Layer 2 MPLS VPN is a term in computer networking. It is a method that Internet service providers use to segregate their network for their customers
Layer_2_MPLS_VPN
Additive process used to make a 3D object
together (e.g. plastics, liquids, or powder grains being fused), typically layer by layer. In the 1980s, 3D printing techniques were considered suitable only
3D_printing
2015 video game
Bravely Second: End Layer is a 2015 role-playing video game developed by Silicon Studio for the Nintendo 3DS handheld console and is the direct sequel
Bravely_Second:_End_Layer
Topics referred to by the same term
Granular layer may refer to: Internal granular layer and External granular layer (cerebral cortex) of the cerebral cortex Granular layer (cerebellum)
Granular_layer
Skilled tradesperson
A pipelayer (or pipe-layer or drain layer) is a skilled tradesman who lays pipe, such as for storm sewers, sanitary sewers, drains, and water mains. Pipelayers
Pipelayer
Group of internetworking methods in the TCP/IP suite
The internet layer is a group of internetworking methods, protocols, and specifications in the Internet protocol suite that are used to transport network
Internet_layer
This article lists protocols, categorized by the nearest layer in the Open Systems Interconnection model. This list is not exclusive to only the OSI protocol
List of network protocols (OSI model)
List_of_network_protocols_(OSI_model)
Framework for authentication and data security in Internet protocols
Simple Authentication and Security Layer (SASL) is a framework for authentication and data security in Internet protocols. It decouples authentication
Simple Authentication and Security Layer
Simple_Authentication_and_Security_Layer
enterprise service layer is the highest level of abstraction. Any application programming interface defined at the enterprise service layer can cross domain
Enterprise_service_layer
Digital image editing technique
Layers are used in digital image editing to separate different elements of an image. A layer can be compared to a transparency on which imaging effects
Layers (digital image editing)
Layers_(digital_image_editing)
Perennial woody plant with elongated trunk
part of the tree to another. For most trees the trunk is surrounded by a layer of bark which serves as a protective barrier. Below the ground, the roots
Tree
Electrical or optical properties between network devices
The physical-layer specifications of the Ethernet family of computer network standards are published by the Institute of Electrical and Electronics Engineers
Ethernet_physical_layer
LAYER
LAYER
Surname or Lastname
English
English : habitational name from any of various places in northern France named with the Germanic element lÄr ‘clearing’.English : variant of Layer.English : nickname from Old English hlÄ“or ‘cheek’, ‘face’Irish : reduced Anglicization of Gaelic Mac Giolla Uidhir ‘son of the swarthy lad’ or ‘son of the servant of Odhar’, a byname from odhar (genitive uidhir) ‘dun-colored’, ‘weatherbeaten’. Compare McAleer.
Boy/Male
American, Australian, British, Chinese, English, Jamaican
Maker of Bricks; Tiles; Tile Layer
Girl/Female
Biblical
Branch, layer, twining.
Boy/Male
English American
Tile layer, or a. An English surname frequently used as a given name.
Biblical
branch; layer; twining
Surname or Lastname
English
English : occupational name for a maker or layer of tiles, from an agent derivative of Middle English tile ‘tile’. In the Middle Ages tiles were widely used in floors and pavements, and to a lesser extent in roofing, where they did not really come into their own until the 16th century.
Boy/Male
English American
Tile layer, or a. An English surname frequently used as a given name.
Boy/Male
American, Australian, British, Chinese, English
Tile Layer; Roof Tiler
Girl/Female
American, Australian, Chinese, English, Jamaican
Tile Layer; Princess
Surname or Lastname
English
English : habitational name from any of three places in Essex – Layer Breton, Layer de la Haye, and Layer Marney – all named from a river name, Leire, or from Leire in Leicestershire, also named from an identical river name. The river name is of Celtic origin and is probably the base of the tribal name Ligore, found in the place name Leicester.English : nickname or status name from Anglo-Norman French le eyr ‘the heir’. Compare Ayer.English : occupational name for a stone layer, Middle English leyer; the job of the layer was to position the stones worked by the masons.German : habitational name for someone from any of the various placed named Lay, in the Rhineland and Bavaria.
Girl/Female
Afghan, African, American, Arabic, Assamese, Chinese, French, Gujarati, Hebrew, Hindu, Indian, Iranian, Kannada, Marathi, Muslim, Parsi, Pashtun, Sindhi, Spanish, Swahili, Tamil
Layer; Peaceful; Safe; Whole; To be Safe; Beautiful Woman; Sweetheart
Biblical
branch; layer; lining
Girl/Female
Irish
The name Brigid from brigh meaning “power, vigour, virtue†epitomizes the Irish genius for layering old and new. The main female deity of the Celts, Brigid made the land fruitful and animals multiply, she blessed poets and blacksmiths. Her namesake St. Brigid of Kildare carried her powers into the Christian era. The stories of Brigidâ€s compassion and miracles are told now as they have been for more than 1500 years in every part of Ireland. She is equal in esteem and shares a grave with St. Patrick and St. Columcille. Her feast day, February 1st, is the first day of Spring in the Celtic calender.
Surname or Lastname
English
English : occupational name for a layer of paving, from Middle English, Old French pavier ‘paver’, an agent derivative of Old French paver ‘to pave’ (though the Old French verb may be a back-formation from pavement ‘laid floor’).
Surname or Lastname
English
English : probably a variant of Lothrop. Alternatively, it may be a habitational name from Layerthorpe in York, which is named from Old Norse leirr ‘clay’ or leira ‘clayey place’ + þorp ‘outlying farmstead’.
Girl/Female
American, Australian, British, Chinese, Christian, Danish, English, French, German, Italian, Latin, Portuguese, Swedish
Golden; Covered with a Thin Layer of Gold; Offering; Sacrifice; God's Servant
Girl/Female
Biblical
Branch, layer, lining.
Girl/Female
Irish
The name Brigid from brigh meaning “power, vigour, virtue†epitomizes the Irish genius for layering old and new. The main female deity of the Celts, Brigid made the land fruitful and animals multiply, she blessed poets and blacksmiths. Her namesake St. Brigid of Kildare carried her powers into the Christian era. The stories of Brigidâ€s compassion and miracles are told now as they have been for more than 1500 years in every part of Ireland. She is equal in esteem and shares a grave with St. Patrick and St. Columcille. Her feast day, February 1st, is the first day of Spring in the Celtic calender.
LAYER
LAYER
Boy/Male
Hindu
Name of a Hindu God
Boy/Male
English
Burnt wood.
Boy/Male
Hindu, Indian
Tears
Girl/Female
Tamil
Dimunitive for the earth
Male
Native American
Native American Sioux name WEAYAYA means "setting sun."
Boy/Male
Hindu
Lord Krishna
Boy/Male
Tamil
Phanindranath | பநிநà¯à®¤à¯à®°à®¨à®¾à®¤
Lord Vishnu
Surname or Lastname
English
English : habitational name for someone from Romford in Essex, probably so named from Old English rūm ‘broad’, ‘spacious’ + ford ‘ford’.
Surname or Lastname
English (chiefly Lancashire)
English (chiefly Lancashire) : occupational name for a water bailiff, earlier Waterward, from Middle English water + ward ‘guard’. All the early examples occur on the banks of Martin Mere, a large freshwater lake (now drained) in western Lancashire.
Boy/Male
Hindu, Indian, Punjabi, Sikh
Holy Garden
LAYER
LAYER
LAYER
LAYER
LAYER
n.
Hence, any layer or leaf of metal or other material, resembling in size and thinness the scale of a fish; as, a scale of iron, of bone, etc.
n.
One who, or that which, underlays or is underlaid; a lower layer.
a.
Of, pertaining to, or designating, that condition of the ovum in which there are three primary germinal layers, or in which the blastoderm splits into three layers.
n.
That which is laid; a stratum; a bed; one thickness, course, or fold laid over another; as, a layer of clay or of sand in the earth; a layer of bricks, or of plaster; the layers of an onion.
v. i.
To separate and come off in thin layers or laminae; as, some sandstone scales by exposure.
a.
Not stratified; -- applied to massive rocks, as granite, porphyry, etc., and also to deposits of loose material, as the glacial till, which occur in masses without layers or strata.
v. t.
To take off in thin layers or scales, as tartar from the teeth; to pare off, as a surface.
a.
Resembling scales, laminae, or layers.
n.
The upper layer of soil; surface soil.
n.
A variety of onyx consisting of sard and white chalcedony in alternate layers.
n.
The posterior pigmented layer of the iris; -- sometimes applied to the whole iris together with the choroid coat.
n.
A propagating by layers.
v. t.
A thin leaf or layer of a more valuable or beautiful material for overlaying an inferior one, especially such a thin leaf of wood to be glued to a cheaper wood; hence, external show; gloss; false pretense.
v. t.
To overlay or plate with a thin layer of wood or other material for outer finish or decoration; as, to veneer a piece of furniture with mahogany. Used also figuratively.
v. t.
To make into a sandwich; also, figuratively, to insert between portions of something dissimilar; to form of alternate parts or things, or alternating layers of a different nature; to interlard.
a.
Covered with a tunic; covered or coated with layers; as, a tunicated bulb.
n.
A kind of laminated shale or sandstone belonging to some of the layers of the Upper Silurian.
n.
A solid mass of cellular tissue, consisting of one or more layers, usually in the form of a flat stratum or expansion, but sometimes erect or pendulous, and elongated and branching, and forming the substance of the thallogens.
n.
A membrane, or layer of tissue, especially when enveloping an organ or part, as the eye.
n.
The layer, or stratum, of earth on which the mold, or soil, rests; subsoil.