opacity
NounUS[oh-pas-uh-tee]/oʊˈpæsəti/4 syllables
Synonyms:
opaqueness
Open English WordNet
Noun (3)
- the phenomenon of not permitting the passage of electromagnetic radiationOpposite transparenceType of physical phenomenonKinds optical opacity, radiopacity
- incomprehensibility resulting from obscurity of meaningSynonyms: opaquenessType of incomprehensibility
- the quality of being opaque to a degree; the degree to which something reduces the passage of lightSynonyms: opaquenessOpposite clearnessType of qualityKinds cloudiness, indistinctnessAttribute of opaque
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Webster's Dictionary (1913)
O·pac′i·ty noun
Origin: L. opacitas: cf. F. opacité.
1. The state of being opaque; the quality of a body which renders it impervious to the rays of light; want of transparency; opaqueness.
2. Obscurity; want of clearness. Bp. Joseph Hall
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54