color change
Americannoun
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Chemistry. a property of color transformation characteristic of a substance that is undergoing or has undergone a chemical reaction, the process or formation of which is an important indicator in the chemical analysis of that substance.
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Zoology. a natural transformation in the color of an animal's skin, fur, feathers, etc., for such purposes as camouflage, attracting a mate, or signaling a warning.
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Philately. a change in the coloration or color scheme of a postage stamp, the doing of which may be authorized, inadvertent, or fraudulent.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
His PhD, at Harvard, focused on the timing of new leaves on trees in the spring and color change in the fall.
From Los Angeles Times ● Mar. 26, 2026
A subtle color change also restored the appearance of the neoclassical “New Room,” which Washington added in the 1770s and ’80s as a grand space for entertaining, displaying art, making a statement.
From The Wall Street Journal ● Feb. 7, 2026
"One of the most dominant metals is iron. That's what is causing the color change."
From Science Daily ● May 21, 2024
For a tree, the color change process is “how it goes to the grocery store and gets all the food it needs for next year,” says Forkner.
From National Geographic ● Sep. 29, 2023
Grey eyes, brown eyes; Melisandre could see the color change with each pulse of the ruby.
From "A Dance with Dragons" by George R. R. Martin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
