a combining form meaning “black,” used in the formation of compound words: melanocyte.
Also especially before a vowel, melan-.
Origin of melano-
< Greek, combining form of mélās
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
before a vowel melan-
black or darkmelanin; melanism; melanocyte; melanoma
Word Origin for melano-
from Greek melas black
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
word-forming element meaning "black," from Greek melano-, comb. form of melas (genitive melanos) "black, dark, murky" (see melanin).
Online Etymology Dictionary, © 2010 Douglas Harper
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.