Lexic.us

Definition of Opaque

1. Adjective. Not transmitting or reflecting light or radiant energy; impenetrable to sight. "Opaque to X-rays"

Definition of Opaque

1. a. Impervious to the rays of light; not transparent; as, an opaque substance.

2. n. That which is opaque; opacity.

Definition of Opaque

1. Adjective. Neither reflecting nor emitting light. ¹

2. Adjective. Allowing little light to pass through, not translucent or transparent. ¹

3. Adjective. (figuratively) Unclear, unintelligible, hard to get or explain the meaning of ¹

4. Adjective. (figuratively) Obtuse, stupid. ¹

5. Adjective. (computing) Describes a type for which higher-level callers have no knowledge of data values or their representations; all operations are carried out by the type's defined abstract operators. ¹

6. Noun. (obsolete poetic) An area of darkness; a place or region with no light. ¹

7. Noun. Something which is opaque rather than translucent. ¹

8. Verb. (transitive) To make, render (more) opaque. ¹

¹ Source: wiktionary.com

Definition of Opaque

1. impervious to light [adj OPAQUER, OPAQUEST] : OPAQUELY [adv] / to make opaque [v OPAQUED, OPAQUING, OPAQUES] - See also: opaque

Medical Definition of Opaque

1. Impervious to light; not translucent or only slightly so. Compare: radiopaque. Origin: Fr. Fr. L. Opacus, shady (05 Mar 2000)

Lexicographical Neighbors of Opaque

Literary usage of Opaque

Below you will find example usage of this term as found in modern and/or classical literature:

1. Medical Record by George Frederick Shrady, Thomas Lathrop Stedman (1886)
"Tenth day : Cornea now quite opaque, especially in centre. T. — . ... Cornea is densely opaque. Post-mortem examination shows lens opaque and swollen, ..."

2. A Treatise on Chemistry by Henry Enfield Roscoe, Carl Schorlemmer (1883)
"opaque AND COLOURED GLASS. 293 Transparency is certainly the most important property of glass, and yet for some purposes translucent or even opaque "lass is ..."

3. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1847)
"The vitreous, so far from being le?s soluble in water than the opaque acid, as slated by chemists, is, on the contrary, much more soluble. ..."

4. Report. by Henry Phipps Institute (1906)
"Thickness of the skull Longitudinal sinus—contents Dura : Transparent, opaque, Thickened Inner surface of dura: Smooth, rough, glistening, dull, ..."

5. Petrographic Methods: The Authorized English Translation of Part I by Ernst Weinschenk, Robert Watson Clark (1912)
"opaque Minerals Included with the opaque minerals are those which are ordinarily not transparent in ... Some opaque minerals are cubic and some hexagonal. ..."

6. Manual of Petrographic Methods by Albert Johannsen (1914)
"The Examination of opaque Minerals.—While opaque minerals are t comparatively slight importance in ordinary petrographic work, they ft of great importance ..."

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