POLYCHROMATIC
polychromatic
(adjective) (of light or other electromagnetic radiation) composed of more than one wavelength; “polychromatic light”
polychromatic, polychrome, polychromic
(adjective) having or exhibiting many colors
Source: WordNet® 3.1
Etymology
Adjective
polychromatic (comparative more polychromatic, superlative most polychromatic)
Showing a variety, or a change, of colours; having many colours; multicoloured.
• O. Henry, Strictly Business
(physics, of electromagnetic radiation) Composed of more than one wavelength.
Synonyms
• (having many colours): motley, multicolored, polyhued; see also multicolored
Antonyms
• monochromatic
Source: Wiktionary
Pol`y*chro*mat"ic, a. Etym: [Poly- + chromatic.]
Definition: Showing a variety, or a change, of colors. Polychromatic acid
(Old Chem.), a substance obtained by the action of nitric acid on
aloes.
Source: Webster’s Unabridged Dictionary 1913 Edition