PHOTOGEN
Etymology
Noun
photogen (plural photogens)
(chemistry) A light hydrocarbon oil resembling kerosene, used as a lubricant, illuminant, etc.
(biology) A microorganism that produces phosphorescence.
Source: Wiktionary
Pho"to*gen, n. Etym: [Photo- + -gen.] (Chem.)
Definition: A light hydrocarbon oil resembling kerosene. It is obtained by distilling coal, paraffin, etc., and is used as a lubricant, illuminant, etc. [Written also photogene.]
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
2 February 2025
BACK
(adverb) at or to or toward the back or rear; “he moved back”; “tripped when he stepped backward”; “she looked rearward out the window of the car”
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