SINCE 1828
dictionary
thesaurus

chromotropism

noun
Save Word
chro·​mot·​ro·​pism | \ krōˈmä‧trəˌpizəm \
variants: or less commonly chromotropy \ -​pē \
plural chromotropisms also chromotropies

Definition of chromotropism

1 : change of color especially of certain salts known in differently colored modifications — compare chromoisomerism
2 : the orientation of living organisms in relation to color stimuli — compare tropism

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!

Learn More About chromotropism

Dictionary Entries Near chromotropism

chromotropic acid

chromotropism

chromotype

See More Nearby Entries 

Statistics for chromotropism

Cite this Entry

“Chromotropism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chromotropism. Accessed 17 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

nonpareil

Listen to the pronunciation of nonpareil

See Definitions and Examples »

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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