Definition of OPACITY

opacity

Meanings

Plural: opacities

Noun

  • the phenomenon of not permitting the passage of electromagnetic radiation
  • incomprehensibility resulting from obscurity of meaning
  • the quality of being opaque to a degree; the degree to which something reduces the passage of light
  • The state or quality of being opaque, not allowing light to pass through
  • The state or quality of being inaccessible to understanding.
  • A measure of relative impenetrability to electromagnetic radiation such as light.

Origin / Etymology

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

Synonyms

opaqueness

Antonyms

clarity, transparency

Scrabble Score: 14

opacity is a valid Scrabble (US) TWL word
opacity is a valid Scrabble Word in Merriam-Webster MW Dictionary
opacity is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 15

opacity is a valid Words With Friends word