plural noun

Definition of Chrysophyceae

: a class of the yellow-green algae (division Chrysophyta) having cells solitary or in colonies of definite form, with few yellow or golden brown chromatophores in each cell, reserves occurring as fats and leucosin but not as starch, and motile cells when present having the flagella at their anterior end and more or less equal in length

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 Chrysophyceae

New Latin, from chrys- + -phyceae

Keep scrolling for more

Learn More about Chrysophyceae

Statistics for Chrysophyceae

Cite this Entry

“Chrysophyceae.” Dictionary, Merriam-Webster, Accessed 14 Aug. 2020.

Comments on Chrysophyceae

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


Test Your Vocabulary

Name That Thing: Animal Edition

  • alt 5a023732e6f75
  • Name that animal:
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

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!