noun[mass noun] Zoology
- The ability of chameleons and some other animals to change colour.More example sentences
- Our data also emphasize the dual neural and endocrine character of metachrosis in the Ambystoma larva.
- Color changing or metachromatism or metachrosis is common in chordates and in vertebrates such as fish, amphibians and in some types of lizards.
- Melanophore cells are the main controls for metachrosis.
late 19th century: modern Latin, from meta- (denoting a change of condition) + Greek khrōsis 'colouring'.