hemophilia A

noun

Definition of hemophilia A 

: the common form of hemophilia that is caused by a deficiency of factor VIII — compare hemophilia b

Examples of hemophilia A in a Sentence

Recent Examples on the Web

Spark’s hemophilia A gene therapy is a one-time infusion. Linda Loyd, Philly.com, "Spark Therapeutics stock falls on new data from a hemophilia A drug study," 11 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hemophilia A.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of hemophilia A

1954, in the meaning defined above

Keep scrolling for more

Learn More about hemophilia A

Share hemophilia A

Statistics for hemophilia A

Look-up Popularity

Time Traveler for hemophilia A

The first known use of hemophilia A was in 1954

See more words from the same year

Keep scrolling for more

More Definitions for hemophilia A

hemophilia A

noun

Medical Definition of hemophilia A 

: the common form of hemophilia caused by a deficiency of factor VIII in the blood Some boys with hemophilia A are endangered by any bump or scrape, while others have such mild forms that the disorder goes undetected until they lose their first tooth.Science News, 10 Aug. 1991

Comments on hemophilia A

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

WORD OF THE DAY

exaggeratedly or childishly emotional

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!