O o


    • US Pronunciation
    • US IPA
    • [oh-pas-i-tee]
    • /oʊˈpæs ɪ ti/
    • US Pronunciation
    • US IPA
    • [oh-pas-i-tee]
    • /oʊˈpæs ɪ ti/

Definitions of opacities word

  • noun plural opacities the state or quality of being opaque. 1
  • noun plural opacities something opaque. 1
  • noun plural opacities the degree to which a substance is opaque; capacity for being opaque. 1
  • noun plural opacities Photography. the proportion of the light that is absorbed by the emulsion on any given area of a film or plate. 1
  • noun plural opacities obscurity of meaning. 1
  • noun plural opacities mental dullness. 1

Information block about the term

Origin of opacities

First appearance:

before 1550
One of the 31% oldest English words
First recorded in 1550-60, opacity is from the Latin word opācitās shade. See opaque, -ity

Historical Comparancy

Parts of speech for Opacities


opacities popularity

A common word. It’s meaning is known to most children of preschool age. About 81% of English native speakers know the meaning and use the word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

opacities usage trend in Literature

This diagram is provided by Google Ngram Viewer

Top questions with opacities

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See also

Matching words

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