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.
Origin of griseofulvin
1935-1940
1935-40; < New Latingriseofulv(um) epithet of a species of Penicillium (equivalent to Medieval Latingrīse(us) griseous + New Latin-o--o- + Latinfulvum, neuter of fulvus tawny, yellow-brown) + -in2
C20: from New Latin, from Penicillium griseofulvum dierckx (fungus from which it was isolated), from Medieval Latin griseus grey + Latin fulvus reddish yellow
griseofulvin gris·e·o·ful·vin (grĭz'ē-ə-fŭl'vĭn) n. An antibiotic administered orally for the treatment of ringworm and other fungal infections of the skin, hair, and nails.