Prototheca

noun
Pro·​to·​the·​ca | \ ˌprōt-ə-ˈthē-kə How to pronounce Prototheca (audio) \

Medical Definition of Prototheca

: a genus of unicellular algae that resemble algae of the genus Chlorella but lack chlorophyll and that include two (P. zopfii and P. wickerhamii) that cause mastitis in cows and sometimes localized infection (as of the skin) in humans

Learn More about Prototheca

Cite this Entry

“Prototheca.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Prototheca. Accessed 30 Nov. 2020.

Comments on Prototheca

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

WORD OF THE DAY

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

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!