opacity

Hello, you have come here looking for the meaning of the word opacity. In DICTIOUS you will not only get to know all the dictionary meanings for the word opacity, but we will also tell you about its etymology, its characteristics and you will know how to say opacity in singular and plural. Everything you need to know about the word opacity you have here. The definition of the word opacity will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofopacity, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.

English

Etymology

From opaque +‎ -ity, from French opacité, from Latin opacitas.

Pronunciation

  • (US) enPR: ōpăsʹĭti, IPA(key): /oʊˈpæsɪti/
  • Audio (US):(file)

Noun

opacity (countable and uncountable, plural opacities)

  1. (uncountable) The state or quality of being opaque, not allowing light to pass through
    We could not see the sandbar due to the opacity of the muddy water.
  2. (uncountable) The state or quality of being inaccessible to understanding.
    The opacity of these decisions is troubling.
  3. (optics, countable) A measure of relative impenetrability to electromagnetic radiation such as light.
    The opacity of a clean glass window is near zero.

Synonyms

Coordinate terms

Derived terms

Translations

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.