What does hemophiliac mean?
A hemophiliac is a person who has hemophilia, an inherited disorder of blood clotting. People with the condition can bleed for longer than expected after injury, surgery, or dental work, and they may require clotting-factor treatment or other preventive care. The term is established in medical, educational, and historical writing and may refer to people or animals, as in “a hemophiliac dog.” It should be distinguished from hemophilia, which names the disorder rather than the affected person. In current person-first style, “a person with hemophilia” is often preferred, particularly in formal or public-facing material, but “hemophiliac” remains accurate and widely understood. The word is especially associated with the history of blood-disorder medicine and with the development of factor concentrates and other treatments that have greatly improved care.
nounA person who has hemophilia, an inherited blood-clotting disorder that can cause prolonged or excessive bleeding after injury or surgery.
- A person affected by hemophilia.
"The young hemophiliac received his medication before attending school."
"A hemophiliac may need regular infusions of clotting-factor concentrates."
"The veterinarian explained the care requirements for her hemophiliac dog."
The standard plural refers to two or more people affected by hemophilia.
"The clinic provides specialized care for hemophiliacs and other patients with bleeding disorders."
Hemophiliac names a person, not the condition: the condition is hemophilia—a distinction that matters in both medicine and plain English.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does hemophiliac come from?
The English word “hemophiliac” was formed from the medical term “hemophilia” with the suffix “-iac,” indicating a person affected by a condition. “Hemophilia” ultimately combines Greek haima, meaning “blood,” with philos, meaning “loving,” reflecting the condition’s historical association with persistent bleeding. The paired spellings “hemophilia” and “haemophilia,” with their derivatives “hemophilic” and “haemophilic,” are the closest established cognates.
How hemophiliac is actually used
The word remains standard in medical and historical contexts, although person-first wording such as “a person with hemophilia” is often preferred in contemporary usage. “Haemophiliac” is a common British spelling variant.
Easily confused with hemophiliac
A hemophiliac is a person who has the condition, whereas hemophilia is the inherited blood-clotting disorder itself.