from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A change in color caused by variation of the physical conditions to which a body is subjected, especially such a change caused by variation in temperature.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. metachromasia
from The Century Dictionary and Cyclopedia
- n. Change of color; specifically, variation of color due to changes in the temperature of a body; change of color by change of physical conditions, as in the case of a double salt consisting of silver chlorid and mercuric iodide, which changes from yellow to red on being heated and returns to yellow after cooling.
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