Definition of halochromism

Halochromism means the colour change which occurs on addition of acid (or base, or a salt) to a solution of a compound. A chemical reaction (e.g. ion formation) transforms a colourless compound into a coloured one. FALBE and REGITZ (1990); REICHARDT, ASHARIN-FARD, and SCHÄFER. (1993).


Search the Dictionary for More Terms