Also found in: Medical.


(word root) color
Examples of words with the root chromato-: chromatolysis, chromatography
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree


or chromat-
1. Color: chromatophore.
2. Chromatin: chromatolysis.

[Greek khrōma, khrōmat-, color.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


or before a vowel


combining form
1. indicating colour or coloured: chromatophore.
2. indicating chromatin: chromatolysis.
[from Greek khrōma, khrōmat- colour]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkroʊ moʊ)

n., pl. -mos.
[by shortening]


or chromato-

a combining form meaning “color,” “pigment” (chromophil) or, by extension, “chromosome” (chromonema).
[< Greek, comb. form of chrôma color]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Spectrophotometry, Chromato- Tests for physical spectrometry and graphy testing of rubber include spectroscopy stress/strain tests; time-dependent tests; Nuclear Flame Gas Liquid destructive tests; magnetic emission/atomic durability; electrical resonance absorption properties; and processing.
Starting with 3-(diphenylmethyl)pentane-2,4-dione 3 (266 mg, 1.0 mmol) and 4-amino benzhydrazide 4b (151 mg, 1.0 mmol) following general procedure, title compound 5b was isolated as a colorless solid after silica gel column chromato- grapy (ethyl acetate/n-hexane =1:4).
Different preconcentration- spectrophotometric methods [5-12], solvent- extraction-spectrofluorimetry [13] and chromato- graphic [14] methods are used for trace quantitative determination of Cu2+.