amphichromatic

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am·phi·chro·mat·ic

(am'fi-krō-mat'ik),
Having the property of exhibiting either of two colors; for example, litmus, an amphichromatic pigment that is red in acids and blue in alkalis.
Synonym(s): amphichroic
[amphi- + G. chrōma, color]

amphichroic

, amphichromatic (am″fĭ-krō′ik) (-krō-mat′ik) [ amphi- + chromatic]
1. Capable of exhibiting two colors.
2. Reacting as both an acid and an alkali.
3. Turning red litmus paper blue, and blue litmus paper red.
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