Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

factor VIII

play
noun \-ˈāt\

Definition of factor VIII

  1. :  a glycoprotein clotting factor of blood plasma that is essential for blood clotting and is absent or inactive in hemophilia —called also antihemophilic factor



1954

First Known Use of factor viii

1954


Medical Dictionary

factor VIII

play
noun \-ˈāt\

Medical Definition of factor VIII

  1. :  a glycoprotein clotting factor of blood plasma that is essential for blood clotting and is absent or inactive in hemophilia—called also antihemophilic factor, thromboplastinogen




Learn More about factor viii

  1. Medical Dictionary: Definition of "factor VIII"


Seen and Heard

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

WORD OF THE DAY

to manage or play awkwardly

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

soothe perplex reduce disapprove
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ