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单词
orcein
释义
WordReference Random House Unabridged Dictionary of American English © 2024
or•ce•in
(ôr
′
sē in),
USA pronunciation
n.
[
Chem.
]
Chemistry
a red dye, the principal coloring matter of cudbear and orchil, obtained by oxidizing an ammoniacal solution of orcinol.
1830–40; arbitrary alteration of
orcin
; see
orcinol
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更新时间:2025/11/18 6:50:19