metachrosis
metachrosis[ˌmɛtəˈkrəʊsɪs]noun- [mass noun](Zoology)the ability of chameleons and some other animals to change colour
(动)变色机能,变色
语源- late 19th cent.: modern Latin, from meta- (denoting a change of condition) + Greek khrōsis 'colouring'
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