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[griz-ee-oh-foo l-vin, -fuhl-, gris-] /ˌgrɪz i oʊˈfʊl vɪn, -ˈfʌl-, ˌgrɪs-/
noun, Pharmacology
an antibiotic, C 17 H 17 ClO 6 , obtained from a species of Penicillium, used in the treatment of ringworm and other fungous infections of the skin.
1935-40; < New Latin griseofulv(um) epithet of a species of Penicillium (equivalent to Medieval Latin grīse(us) griseous + New Latin -o- -o- + Latin fulvum, neuter of fulvus tawny, yellow-brown) + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for griseofulvin


an antibiotic used to treat fungal infections
Word Origin
C20: from New Latin, from Penicillium griseofulvum dierckx (fungus from which it was isolated), from Medieval Latin griseus grey + Latin fulvus reddish yellow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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griseofulvin in Medicine

griseofulvin gris·e·o·ful·vin (grĭz'ē-ə-fŭl'vĭn)
An antibiotic administered orally for the treatment of ringworm and other fungal infections of the skin, hair, and nails.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for griseofulvin

drug produced by the molds Penicillium griseofulvum and P. janczewski and used in the treatment of ringworm, including athlete's foot and infections of the scalp and nails. Griseofulvin exerts its antimicrobial activity by binding to microtubules, cellular structures responsible for forming mitotic spindles during cell division and for processing cell wall components needed for growth. A common side effect is headache.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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