prothrombin time

noun

Medical Definition of prothrombin time

: the time required for a particular specimen of prothrombin to induce blood-plasma clotting under standardized conditions in comparison with a time of between 11.5 and 12 seconds for normal human blood

Comments on prothrombin time

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

WORD OF THE DAY

suitable to be imparted to the public

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

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!