Dec 5, 2016 · 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.

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 …

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.

If you refer to something's opacity, you mean that it is difficult to understand.

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

1. the state or quality of being opaque. 2. something opaque. 3. the degree to which a substance is or may be opaque. 4. the proportion of light absorbed by the emulsion on an area of a …

The term "opacity" refers to the characteristic of a material that prevents light from passing through it, making it an essential concept across various fields. An object's opacity determines …

Dec 14, 2025 · opacity (countable and uncountable, plural opacities) (uncountable) The state or quality of being opaque, not allowing light to pass through.