illuminant
il·lu·mi·nant
noun \-nənt\Definition of ILLUMINANT
: an illuminating device or substance
Examples of ILLUMINANT
- <at the time, a spermaceti candle was the brightest indoor illuminant available>
First Known Use of ILLUMINANT
1644
Related to ILLUMINANT
Related Words: arc lamp (also arc light), candelabra, candelabrum, candle, chandelier, dark lantern, electric, flare, flash, flashbulb, flashcube, flashlight, floodlight, fluorescent lamp, gaslight, gasolier, girandole, headlight, incandescent lamp, klieg light (or kleig light), lantern, light bulb, lighthouse, lighting, sconce, spotlight, streetlight, sun lamp
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