autoprothrombin

noun
au·to·pro·throm·bin | \ˌȯt-ō-prō-ˈthräm-bən \

Medical Definition of autoprothrombin 

: any of several blood factors formed in the conversion of prothrombin to thrombin: as

a : factor vii

b : factor ix

Learn More about autoprothrombin

Share autoprothrombin

Comments on autoprothrombin

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

WORD OF THE DAY

required by fashion, etiquette, or custom

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?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

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!