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What is the meaning of OPA. Phrases containing OPA
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What is the meaning of OPA. Phrases containing OPA
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OPA
Atmospheric Research Center
Opacity Project At Livermore
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Acronyms & AI meanings
dysplastic naevus
Composite Receiver File
Alaska Municipal Bond Bank Authority
Southern African Centre for Cooperation in Agricultural Research and Training
Ornamental Aquatic Trade Association
Rotary Indexing Press
Multihull Offshore Cruising and Racing Association
Department of Primary Industries and Fisheries
: Bureau International des Poides et Measures
Westerville South High School
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n.
A small mass or aggregation of morbid matter; especially, the deposit which accompanies scrofula or phthisis. This is composed of a hard, grayish, or yellowish, translucent or opaque matter, which gradually softens, and excites suppuration in its vicinity. It is most frequently found in the lungs, causing consumption.
a.
Of, pertaining to, or like, opal in appearance; having changeable colors like those of the opal.
a.
Reflecting a milky or pearly light from the interior; having an opaline play of colors.
a.
Opaque.
n.
A mineral occurring in rhombic prisms, generally yellowish and pellucid, also colorless, and of greenesh, bluish, or brownish shades. It sometimes occurs massive and opaque. It is a fluosilicate of alumina, and is used as a gem.
n.
That which is opaque; opacity.
v. i.
To give forth a play of colors, like the opal.
n.
The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.
p. pr. & vb. n.
of Opalesce
imp. & p. p.
of Opalesce
p. pr. & vb. n.
of Opalize
a.
Covered with an opaque white powder.
a.
Opaque.
a.
Having the property of transmitting rays of light, so that bodies can be distinctly seen through; pervious to light; diaphanous; pellucid; as, transparent glass; a transparent diamond; -- opposed to opaque.
v. t.
To convert into opal, or a substance like opal.
n.
A reflection of a milky or pearly light from the interior of a mineral, as in the moonstone; the state or quality of being opalescent.
imp. & p. p.
of Opalize
a.
See Opaque.
a.
Impervious to the rays of light; not transparent; as, an opaque substance.
n.
The state or quality of being impervious to light; opacity.
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