au·​to·​trans·​fu·​sion ˌȯ-tō-tran(t)s-ˈfyü-zhən How to pronounce autotransfusion (audio)
: return of autologous blood to the patient's own circulatory system

Word History


auto- + transfusion

First Known Use

1886, in the meaning defined above

Time Traveler
The first known use of autotransfusion was in 1886

Dictionary Entries Near autotransfusion

Cite this Entry

“Autotransfusion.” Dictionary, Merriam-Webster, Accessed 10 Jun. 2023.

Medical Definition


au·​to·​trans·​fu·​sion -tran(t)s-ˈfyü-zhən How to pronounce autotransfusion (audio)
: return of blood lost by or taken from a patient to his or her own circulatory system
Last Updated: - Definition revised
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