tertian

adjective
ter·​tian | \ ˈtər-shən How to pronounce tertian (audio) \

Definition of tertian

 (Entry 1 of 2)

: recurring at approximately 48-hour intervals used of malaria

tertian

noun

Definition of tertian (Entry 2 of 2)

: a tertian fever (such as vivax malaria)

First Known Use of tertian

Adjective

14th century, in the meaning defined above

Noun

14th century, in the meaning defined above

History and Etymology for tertian

Adjective

Middle English tercian, from Anglo-French, from Latin tertianus, literally, of the third, from tertius third — more at third entry 1

Keep scrolling for more

Learn More about tertian

Time Traveler for tertian

Time Traveler

The first known use of tertian was in the 14th century

See more words from the same century

Statistics for tertian

Cite this Entry

“Tertian.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/tertian. Accessed 14 December 2019.

Keep scrolling for more

More Definitions for tertian

tertian

adjective
ter·​tian | \ ˈtər-shən How to pronounce tertian (audio) \

Medical Definition of tertian

 (Entry 1 of 2)

: recurring at approximately 48-hour intervals used chiefly of vivax malaria — compare quartan

tertian

noun

Medical Definition of tertian (Entry 2 of 2)

: a tertian fever specifically : vivax malaria

More from Merriam-Webster on tertian

Rhyming Dictionary: Words that rhyme with tertian

Comments on tertian

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

WORD OF THE DAY

to assail by words or arguments

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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!