The quality or phenomenon of exhibiting color changes; the property of being chromotropic.
From Greek 'chroma' (color) and 'tropy' from 'tropos' (turning). An alternative noun form to chromotropism, less commonly used but describing the same color-changing phenomenon.
Some liquid crystals display amazing chromotropy—they shift through the entire rainbow based on temperature, which is why they're used in thermal imaging and experimental display technology.
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