/ Dictionary / Index M melanocyte-stimulating hormone: Meaning and Definition of Find definitions for: me•lan'o•cyte-stim•u•lat•ing hor"mone Pronunciation: (mu-lan'u-sīt"stim"yu-lā"ting, mel'u-nu-), [key] — Biochem. Biochem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. melanocyte melanoderm Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language