The meaning of OPACITY is obscurity of sense : unintelligibility. How to use opacity in a sentence.

OPACITY definition: the state or quality of being opaque. See examples of opacity used in a sentence.

Dec 16, 2025 · The opacity CSS property sets the opacity of an element. Opacity is the degree to which content behind an element is hidden, and is the opposite of transparency.

The opacity property sets the opacity level for an element. The opacity-level describes the transparency-level, where 1 is not transparent at all, 0.5 is 50% see-through, and 0 is completely transparent.

OPACITY meaning: 1. the state of being opaque, or the degree to which something is opaque 2. the state of being…. Learn more.

Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light. In radiative transfer, it describes the absorption and scattering of radiation in a medium, such as …

Definition of opacity noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.