opacity en · NOUN
Pronunciation
- ōpăsʹĭti (US)
- (US) audio
- /oʊˈpæsɪti/ (US)
Etymology
From opaque + -ity, from French opacité, from Latin opācitās, from opācus.
Meanings
-
(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.
-
(countable) A measure of relative impenetrability to electromagnetic radiation such as light.
The opacity of a clean glass window is near zero.
-
(countable) An opaque area.
Scanty irregular opacities are not uncommonly observed on the chest roentgenogram in the absence of interstitial fibrosis of the lungs.
1992, Dick, J. A. et al., “The significance of irregular opacities on the chest roentgenogram”, in Chest, volume 102, number 1, →DOI, →PMID, pages 251-60:This report concerns a child with Down's syndrome (mongolism) and bilateral congenital corneal opacities born into a family affected through three generations by Rieger's anomaly.
1968, Dark A. J., Kirkham T. H., “Congenital corneal opacities in a patient with Rieger's anomaly and Down's syndrome”, in British Journal of Ophthalmology, volume 52, number 8, →DOI, page 631:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| opacities | Number=Plur | lexicographic |
Antonyms
lucidity · clarity · transparency · translucency · clarity · clearness
Coordinates
Deriveds
snowball opacity · subopacity · referential opacity · nonopacity · radioopacity · semiopacity · radiopacity
Synonyms
Translations (36)
da uigennemsigtighed (state of being opaque; blocking light) · fi läpinäkymättömyys (state of being opaque; blocking light) · uk непрозо́рість (state of being opaque; blocking light) · id ketidakbeningan (measure of relative opaqueness) · tl opasidad (measure of relative opaqueness) · bg непрозрачност (state of being opaque; blocking light) · pt opacidade (state of being opaque; blocking light) · de Opazität (state of being opaque; blocking light) · de Nebulösität (state of being inaccessible to understanding) · es opacidad (state of being opaque; blocking light) · sv opacitet (state of being opaque; blocking light) · fr opacité (state of being opaque; blocking light) · fi läpinäkymättömyys (measure of relative opaqueness) · nb ugjennomsiktighet (state of being opaque; blocking light) · be непразры́стасць (state of being opaque; blocking light) · lv necaurredzamība (state of being opaque; blocking light) · uk помутні́ння (opaque area) · id ketidakbeningan (state of being opaque; blocking light) · gl opacidade (state of being opaque; blocking light) · nb opasitet (state of being opaque; blocking light) · fi läpikuultamattomuus (state of being opaque; blocking light) · tl opasidad (state of being inaccessible to understanding) · cs neprůhlednost (state of being opaque; blocking light) · fr opacité (state of being inaccessible to understanding) · fi läpikuultamattomuus (measure of relative opaqueness) · da ugennemsigtighed (state of being opaque; blocking light) · bg неясност (state of being inaccessible to understanding) · lv necaurspīdīgums (state of being opaque; blocking light) · tl opasidad (state of being opaque; blocking light) · ca opacitat (state of being opaque; blocking light) · el αδιαφάνεια (state of being opaque; blocking light) · de Undurchsichtigkeit (state of being opaque; blocking light) · de Lichtundurchlässigkeit (state of being opaque; blocking light) · de Undurchsichtigkeit (state of being inaccessible to understanding) · ru непрозра́чность (state of being opaque; blocking light) · hi अपारदर्शिता (state of being opaque; blocking light)