chro·​mo | \ ˈkrō-(ˌ)mō How to pronounce chromo (audio) \
plural chromos

Definition of chromo

 (Entry 1 of 2)


combining form
variants: or before vowels chrom-

Definition of chromo- (Entry 2 of 2)

1a : color : colored chromolithograph
b : pigment chromogen
2 : chromium chromaffin

Examples of chromo in a Sentence

Recent Examples on the Web: Noun Constructed with Bluetooth compatibility, LED interior and exterior lights, and a 7-color chromo therapy light, using the sauna may just become the highlight of your day. Hillary Maglin, Travel + Leisure, "These Saunas Make the Perfect Addition to Your Home Gym or Spa," 25 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chromo.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of chromo


1868, in the meaning defined above

History and Etymology for chromo


by shortening

Combining form

reduced form of chromato-, probably after words formed with the final element -chrome

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Cite this Entry

“Chromo.” Dictionary, Merriam-Webster, Accessed 14 May. 2021.

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