plural noun

: a class of the division Pyrrophyta coextensive with the order Dinoflagellata

Word History


borrowed from New Latin, from dino- dino- + -phyceae -phyceae

Note: This taxon was introduced by the phycologist Adolf Pascher (1881-1945; ethnic German born in Tusset/Stožec, southern Bohemia, and active in Prague) in "Über Flagellaten und Algen," Berichte der Deutschen Botanischen Gesellschaft, Band 32 (1914), p. 151 and following. In the same article, Pascher introduced the orders Dinocapsales, Dinococcales, and Dinotrichales, as well as the genus Dinothrix (p. 160).

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!

Dictionary Entries Near Dinophyceae

Cite this Entry

“Dinophyceae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Dinophyceae. Accessed 3 Mar. 2024.

Love words? Need even more definitions?

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