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单词
limonene
释义
WordReference Random House Unabridged Dictionary of American English © 2024
lim•o•nene
(lim
′
ə nēn′),
USA pronunciation
n.
[
Chem.
]
Chemistry
a liquid terpene, C
40
H
16
, occurring in two optically different forms, the dextrorotatory form being present in the essential oils of lemon, orange, etc., and the levorotatory form in Douglas fir needle oil.
Neo-Latin
Limon
(
um
) lemon + -
ene
1835–45
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