SINCE 1828
dictionary
thesaurus
view recents

thermochromism

noun
Save Word
ther·​mo·​chro·​mism | \ ˈthərməˌkrōˌmizəm \

Definition of thermochromism

: the phenomenon of reversible change of color of a substance with change of temperature (as the change of mercuric oxide from nearly colorless on being cooled by liquid air to red at room temperature and to black on being heated)

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for thermochromism

therm- + chrom- + -ism

Keep scrolling for more

Learn More about thermochromism

Statistics for thermochromism

Cite this Entry

“Thermochromism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermochromism. Accessed 28 Feb. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on thermochromism

What made you want to look up thermochromism? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

deference

Listen to the pronunciation of deference

See Definitions and Examples »

Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play
Ask the Editors
Word Games