Protista

noun plural
Pro·​tis·​ta | \ prō-ˈtis-tə How to pronounce Protista (audio) \

Medical Definition of Protista

: a major taxonomic group and especially a kingdom comprising the protists

Learn More About Protista

Dictionary Entries Near Protista

protist

Protista

protistology

See More Nearby Entries 

Cite this Entry

“Protista.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Protista. Accessed 4 Dec. 2021.

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

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!