a greenish, water-soluble, solid, coal-tar derivative, obtained by the oxidation of a mixture of aniline and the toluidines, that forms deep-red solutions: used chiefly as a dye.
- Also called basic fuchsin, basic magenta, magenta.
- Also fuch·sine [fook-sin, -seen]. /ˈfʊk sɪn, -sin/.
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How to use fuchsin in a sentence
Flood the film with carbolic fuchsin, warm until steam begins to rise.
Other counterstains may be used such as dilute eosin, dilute fuchsin, or vesuvin.
Stain in hot carbol-fuchsin (as in staining for spores) for five to ten minutes.
Stain in hot carbol-fuchsin (as for tubercle bacilli) for five to ten minutes.
Pour Ziehl's carbolic fuchsin on the film, warm as in previous methods, and allow it to act for ten minutes.
British Dictionary definitions for fuchsin
a greenish crystalline substance, the quaternary chloride of rosaniline, forming a red solution in water: used as a textile dye and a biological stain. Formula: C 20 H 19 N 3 HCl: Also called: magenta
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012