hemophilia A


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

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The first known use of hemophilia A was in 1954

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hemophilia A


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

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