Lexic.us

Definition of Orcein

1. 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.

Definition of Orcein

1. Noun. (chemistry) a dye, related to litmus, that is extracted from the lichen ''Rocella tinctoria''; used as a microscopic stain and as a food colouring ¹

¹ Source: wiktionary.com

Definition of Orcein

1. a reddish brown dye [n -S]

Medical Definition of Orcein

1. A reddish brown amorphous dyestuff, obtained from orcin, and forming the essential colouring matter of cudbear and archil. It is closely related to litmus. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Orcein

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