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illuminant

[ ih-loo-muh-nuhnt ]

noun

  1. an illuminating illuminating agent or material.


illuminant

/ ɪˈluːmɪnənt /

noun

  1. something that provides or gives off light


adjective

  1. giving off light; illuminating

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Other Words From

  • nonil·lumi·nant noun
  • unil·lumi·nant adjective

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Word History and Origins

Origin of illuminant1

1635–45; < Latin illūminant- (stem of illūmināns ) present participle of illūmināre to light up, brighten, equivalent to illūmin- ( illumine ) + -ant- -ant

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Example Sentences

As time passed, and the new illuminant was backward in appearing, the shares recovered their old value.

The general illuminant is electricity, and both electrical and gas services are owned by the municipality.

So that, light for light, acetylene fouls the air less than any ordinary illuminant excepting the Welsbach gas burner.

Owing to the lack of a good illuminant the bulk of the people retire with the fowls and rise with the sun.

Acetylene gives a light which is nearest to sunlight of any artificial illuminant.

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illuminanceilluminate