opacity
English
/oʊˈpæsɪtiː/
noun
Definitions
- (uncountable) The state or quality of being opaque, not allowing light to pass through
- (uncountable) The state or quality of being inaccessible to understanding.
- (optics) A measure of relative impenetrability to electromagnetic radiation such as light.
Etymology
Suffix from English opaque derived from French opacité.
Origin
French
opacité
Gloss
Timeline
Distribution of cognates by language
Geogrpahic distribution of cognates
Cognates and derived terms
- nonopacity English
- nonopaque English
- opaque English
- opaquely English
- opaqueness English
- radioopacity English
- radiopacity English
- radiopaque English
- semiopaque English
- opācitātem Latin
- opacité French
- opake Middle English