orcein

or·ce·in

O o

Definitions of orcein word

noun orcein a red dye, the principal coloring matter of cudbear and orchil, obtained by oxidizing an ammoniacal solution of orcinol. 1
noun orcein a brown crystalline material formed by the action of ammonia on orcinol and present in orchil: used as a dye, biological stain, and antiseptic. Formula: C28H24O7N2 0
noun orcein a brownish-red, crystalline dye, C28H24N2O7, the main coloring matter of orchil, obtained from lichens or by treating orcinol with ammonia, and used as a biological stain, reagent, etc. 0

before 1830

One of the 36% newest English words

1830-40; arbitrary alteration of orcin; see orcinol

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exclamation

A common word. It’s meaning is known to most children of preschool age. About 70% of English native speakers know the meaning and use the word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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