- a combining form meaning “yellow,” used in the formation of compound words (flavopurpurin); in some biochemical terms, specialized in meaning to indicate flavin (flavoprotein).
Also especially before a vowel, flav-.
Origin of flavo-
< Latin flāv(us) yellow, blonde + -o-
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.