plural noun

: a subclass of Mastigophora comprising the plantlike flagellates that are often regarded as unicellular algae, have chromatophores which contain chlorophyll, usually secrete a covering of cellulose, and have a pigmented eyespot compare zoomastigina

Word History


New Latin, from phyt- + mastig- + -ina

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 Phytomastigina

Cite this Entry

“Phytomastigina.” Dictionary, Merriam-Webster, Accessed 14 Apr. 2024.

Love words? Need even more definitions?

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