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Webster 1913 Edition
Metachrosis
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Metˊa-chro′sis
,Noun.
[NL., from Gr. [GREEK] beyond + [GREEK] a coloring.]
(Biol.)
The power of changing color at will by the expansion of special pigment cells, under nerve influence, as seen in many reptiles, fishes, etc.
Cope.
Definition 2024
metachrosis
metachrosis
English
Noun
metachrosis
- (zoology) The ability to change colour by the expansion and contraction of chromatophores