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photogen
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pho•to•gen
(fō
′
tə jən, -jen′),
USA pronunciation
n.
Chemistry
a light oil obtained by the distillation of bituminous shale, coal, or peat: once commercially produced chiefly as an illuminant and as a solvent.
Ecology
[
Biol.
]
a photogenic organ, organism, or substance.
photo
- + -
gen
1855–60
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更新时间:2025/12/22 16:55:54