chro·mot·ro·pism | \ krōˈmä‧trəˌpizəm \
variants:
or less commonly chromotropy \ -pē \
plural chromotropisms also chromotropies
Definition of chromotropism
1 : change of color especially of certain salts known in differently colored modifications — compare chromoisomerism
2 : the orientation of living organisms in relation to color stimuli — compare tropism
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