CHROMO
Etymology 1
Noun
chromo (plural chromos)
(chiefly, historical) A color print produced by chromolithography.
Etymology 2
Noun
chromo (plural chromos)
(chiefly Australia) A prostitute.
Etymology 3
Adjective
chromo (not comparable)
(genetics) Of or relating to the chromodomain, a protein structural domain associated with chromatin production
Source: Wiktionary
Chro"mo, n.; pl. Chromos. Etym: [Abbrev. from chromolithograph.]
Definition: A chromolithograph.
Source: Webster’s Unabridged Dictionary 1913 Edition