chro·​mis | \ˈkrō-məs \
plural chromis

Definition of chromis 

: any of a large genus (Chromis) of damselfish including some commonly kept in tropical aquariums You'll never be able to count all the brown and blue chromis swimming over your head.— Nick Lucey, Rodale's Scuba Diving, August 1997 We then part a school of brilliant blue chromis fish darting about in pursuit of tiny planktonic prey.— Joseph E. Neigel and John C. Avise, Natural History, December 1984

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!

First Known Use of chromis

1854, in the meaning defined above

Keep scrolling for more

Learn More about chromis

Statistics for chromis

Look-up Popularity

Time Traveler for chromis

The first known use of chromis was in 1854

See more words from the same year

Comments on chromis

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


to move with a clumsy heavy tread

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

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