opaque Definition

opaque
adj opaquer, opaquest

1. Not allowing light to pass through; not transparent or translucent.

Thesaurus: dull, blurred, hazy, obscure.
2. Not transmitting other forms of radiation, such as sound or heat, etc.
3. Difficult to understand; obscure.

Thesaurus: impenetrable, concealed, enigmatic, abstruse, incomprehensible, vague; Antonym: transparent, translucent, clear.
4. Impervious to sense; dull or unintelligent.

noun

1. Something, eg a space or medium, that is opaque.
2. An eye-shade.
3a. photog.
A substance used to block out areas of a negative;
3b. photog.
A print made on opaque paper.

verb opaqued, opaquing

1. To make something opaque.
2. photog.
To block out (areas of a negative) by means of an opaque.

Derivative: opaquely
adverb

Derivative: opaqueness
noun

See also opacity.

Etymology: 15c: from Latin opacus dark or shaded.