Illuminant
Illuminant noun - Something that provides illumination.
Usage example: at the time, a spermaceti candle was the brightest indoor illuminant available
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Synonyms for Illuminant
Light bulb and illuminant are semantically related. In some cases you can use "Light bulb" instead a noun "Illuminant".
Light bulb
Light bulb noun - Electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity.
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Synonyms for Light bulb
Illuminant and light bulb are semantically related. Sometimes you can use "Illuminant" instead a noun phrase "Light bulb".
Mutual synonyms
Cite this Source
Light bulb and Illuminant. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/illuminant/light_bulb
Illuminant & Light bulb. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/illuminant/light_bulb>.
Light bulb or Illuminant. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/illuminant/light_bulb.
Google Ngram Viewer shows how "illuminant" and "light bulb" have occurred on timeline