tetrahymena

noun
tet·​ra·​hy·​me·​na | \ ˌte-trə-ˈhī-mə-nə How to pronounce tetrahymena (audio) \

Definition of tetrahymena

: any of a genus (Tetrahymena) of ciliate protozoans

First Known Use of tetrahymena

1962, in the meaning defined above

History and Etymology for tetrahymena

New Latin, from tetra- + Greek hymēn membrane

Keep scrolling for more

Learn More About tetrahymena

Time Traveler for tetrahymena

Time Traveler

The first known use of tetrahymena was in 1962

See more words from the same year

Statistics for tetrahymena

Cite this Entry

“Tetrahymena.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tetrahymena. Accessed 24 Jul. 2021.

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

Keep scrolling for more

More Definitions for tetrahymena

tetrahymena

noun
tet·​ra·​hy·​me·​na | \ -ˈhī-mə-nə How to pronounce tetrahymena (audio) \

Medical Definition of tetrahymena

1 capitalized : a genus of free-living ciliate protozoans much used for genetic and biochemical research
2 : any ciliate protozoan of the genus Tetrahymena

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'?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!