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单词
retinol
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ret•i•nol
(ret
′
n ôl′, -ol′),
USA pronunciation
n.
Biochemistry
See
vitamin A.
Chemistry, Biochemistry
a yellowish oil, C
3
2
H
1
6
, obtained by the distillation of resin, used as a solvent and as an antiseptic.
Greek
rhētí̄n
(
ē
)
resin
+ -
ol
1
1830–40
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bypass
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byrd land
byrds
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by-road
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更新时间:2025/11/20 15:25:13