opacity
noun /əʊˈpæsəti/
/əʊˈpæsəti/
[uncountable]- (specialist) the fact of being difficult to see through; the fact of being opaque
- sheets of frosted glass with varying degrees of opacity
- (formal) the fact of being difficult to understand; the fact of being opaque opposite transparency (1)
- the opacity of the poet’s language
Word Originmid 16th cent.: from French opacité, from Latin opacitas, from opacus ‘darkened’.