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[trans-fyoo-zhuh n] /trænsˈfyu ʒən/
the act or process of transfusing.
Medicine/Medical. the direct transferring of blood, plasma, or the like into a blood vessel.
Origin of transfusion
1570-80; < Latin trānsfūsiōn- (stem of trānsfūsiō) decanting, intermingling, equivalent to trānsfūs(us) (see transfuse) + -iōn- -ion Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for transfusion
Contemporary Examples
Historical Examples
  • "Needs a transfusion," remarked Gootes as we stood on the sidewalk before it.

  • transfusion of blood into a vein three or four ounces a day?

    Zoonomia, Vol. II

    Erasmus Darwin
  • A similar operation is the transfusion of blood, with which subject indeed I began.

    Human Animals Frank Hamel
  • It got into his blood, you know, and the only way they could save his life was by transfusion.

    Left Half Harmon Ralph Henry Barbour
  • There was no hope for her; only a transfusion of blood could save her; she was almost bloodless.

  • That last is not so extraordinary—do you know anything about transfusion?

  • Said he not that the transfusion of his blood to her veins had made her truly his bride?

    Dracula Bram Stoker
  • In this we see that he anticipated our modern operation of transfusion.

    The Browning Cyclopdia Edward Berdoe
  • There had been between them during that long-blossoming kiss a transfusion of spirit.

    Shadows of Flames Amelie Rives
British Dictionary definitions for transfusion


the act or an instance of transfusing
the injection of blood, blood plasma, etc, into the blood vessels of a patient
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for transfusion

1570s, "action of pouring liquid from one vessel to another," from Latin transfusionem (nominative transfusio), noun of action from transfusus (see transfuse). Sense of "transfering of blood from one individual to another" first recorded 1640s.

Online Etymology Dictionary, © 2010 Douglas Harper
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transfusion in Medicine

transfusion trans·fu·sion (trāns-fyōō'zhən)

  1. The transfer of whole blood or blood products from one individual to another.

  2. The intravascular injection of physiological saline solution.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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transfusion in Science
The transfer of blood or a component of blood, such as red blood cells, plasma, or platelets, from one person to another to replace losses caused by injury, surgery, or disease. Donated blood products are tested for blood type and certain infectious diseases and stored in blood banks until they are used. The blood of the donor is shown to be histologically compatible, or crossmatched, with that of the recipient before transfusion. See more at Rh factor. See Note at blood type.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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