From Longman Dictionary of Contemporary Englishopacityo‧pac‧i‧ty /əʊˈpæsəti $ oʊ-/ noun [uncountable] 1 SEEthe quality that something has when it is difficult to see through → opaque2 CLEAR/EASY TO SEEthe quality that something has when it is difficult to understand SYN obscurity
Examples from the Corpus
opacity• The visor darkened almost to black opacity, and the suit's cooler began audibly to work harder.• The fog rolled across the fields, obliterating everything in its path with a flannel-like opacity.• So opacity can be equated with the extent to which the reader is required to be creative.• He loves the opacity of her life, its completeness without him.• This third type is the dominant constituent of the main cloud and also account for most of the opacity.• Yet the opacity and lack of conviction of this paper has so disappointed directors that no vote will now take place.• Through this opacity I can see more lists listed.Origin opacity (1500-1600) French opacité, from Latin opacitas, from opacus; → OPAQUE 