This black sheet of paper is opaque.
- An example of opaque is the quality of a black sheet of paper.
- An example of opaque is the study of astrophysics.
- not letting light pass through; not transparent or translucent
- not reflecting light; not shining or lustrous; dull or dark
- not allowing electricity, heat, etc. to pass through
- hard to understand; obscure
- slow in understanding; obtuse
Origin of opaqueMiddle English opake ; from Classical Latin opacus, shady
- anything opaque
- Photog. an opaque liquid used in blocking out parts of a negative
- to make opaque
- Photog. to apply opaque to (a negative)
- a. Impenetrable by light; neither transparent nor translucent.b. Not reflecting light; having no luster: an opaque finish.
- Impenetrable by a form of radiant energy other than visible light: a chemical solution opaque to x-rays.
- a. So obscure as to be unintelligible: “opaque, elusive, minimal meanings” (John Simon).b. Mentally obtuse; dense.
Origin of opaqueMiddle English opake, shady, and French opaque, opaque (from Old French, shady), both from Latin opacus.
(comparative more opaque, superlative most opaque)
- Neither reflecting nor emitting light.
- Allowing little light to pass through, not translucent or transparent.
- (figuratively) Unclear, unintelligible, hard to get or explain the meaning of
- (figuratively) Obtuse, stupid.
- (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.
- Something which is opaque rather than translucent.
(third-person singular simple present opaques, present participle opaquing, simple past and past participle opaqued)
- To make, render (more) opaque.