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 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 …

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

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

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

There are ten meanings listed in OED's entry for the noun opacity, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

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 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 how much light …

OPACITY meaning: 1 : the quality of a material that does not allow light to pass through it the quality of being opaque; 2 : the quality of being difficult to understand or explain