orcein

名词 n.
中文释义

英文释义

名词 n.
  1. a dye, related to litmus, that is extracted from the lichen Rocella tinctoria; used as a microscopic stain and as a food colouring uncountable,usually

词形变化

orceins plural

词源

From French orcéine, modification of orcinol. See also orchil.
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