noun, plural chro·mos.

Origin of chromo

by shortening; cf. -o


variant of chrom- before a consonant: chromophore. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for chromo

Historical Examples of chromo

  • After that, we considered it merely in the light of a chromo.

    A Jolly Fellowship

    Frank R. Stockton

  • "You tell him we ought to have a chromo," returned Mings, with a foolish grin.

    Motor Matt's Clue

    Stanley R. Matthews

  • These two awful inventions are to music what the chromo is to painting.

  • There were a lot of mushroom millionaires who couldn't tell a chromo from a Gérôme.


    James Huneker

  • All sized and chromo papers may be varnished without preparation.

British Dictionary definitions for chromo


noun plural -mos


before a vowel chrom-

combining form

indicating colour, coloured, or pigmentchromogen
indicating chromiumchromyl

Word Origin for chromo-

from Greek khrōma colour
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

chromo in Medicine



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