illuminant

Speech parts

1. illuminant - Noun

2. illuminant - Adjective

Meaning

That which illuminates or affords light; as, gas and petroleum are illuminants.

Source: Webster's dictionary

Synonyms

light oil edifying electricity lamp luminous glowing shiny radiant informative instructive lustrous luminary light source illuminating
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Antonyms

black gray dark obscure pale sad
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Hypernyms

fuel

Examples

Electric lighting started displacing kerosene as an illuminant in the late 19th century, especially in urban areas. Source: Internet

When the illuminant is not a point source, the inverse square rule is often still a useful approximation; when the size of the light source is less than one-fifth of the distance to the subject, the calculation error is less than 1%. Source: Internet

Close letter words and terms

illuminance illuminance gauge illuminance meter illuminary illuminate illuminate stop lamps