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orcein

/'ɔ:si:in/

📖 中文释义

n. [化]苔红素,地衣红

📘 English Definition（英文释义）

n. A reddish brown amorphous dyestuff, /, obtained from orcin,
and forming the essential coloring matter of cudbear and archil. It is
closely related to litmus.

← orcas orcelite →