opacity
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English[edit]
Etymology[edit]
opaque + -ity, from French opacité, from Latin opacitas.
Pronunciation[edit]
Noun[edit]
opacity (countable and uncountable, plural opacities)
- (uncountable) The state or quality of being opaque, not allowing light to pass through
- We could not see the sandbar due to the opacity of the muddy water.
- (uncountable) The state or quality of being inaccessible to understanding.
- The opacity of these decisions is troubling.
- (optics, countable) A measure of relative impenetrability to electromagnetic radiation such as light.
- The opacity of a clean glass window is near zero.
Synonyms[edit]
Coordinate terms[edit]
Derived terms[edit]
Translations[edit]
state of being opaque; blocking light
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state of being inaccessible to understanding
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measure of relative opaqueness
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- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.