noun Medicine/Medical.

a type of apheresis in which blood cells are returned to the bloodstream of the donor and the plasma is used, as for tranfusion.

Nearby words

  1. plasmagel,
  2. plasmagene,
  3. plasmalemma,
  4. plasmalogen,
  5. plasmapause,
  6. plasmapheretic,
  7. plasmasol,
  8. plasmasphere,
  9. plasmatic,
  10. plasmid

Origin of plasmapheresis

First recorded in 1915–20; plasm- + apheresis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for plasmapheresis



(in blood transfusion) a technique for removing healthy or infected plasma by separating it from the red blood cells by settling or using a centrifuge and retransfusing the red blood cells into the donor or patient

Word Origin for plasmapheresis

C20: from plasm + Greek aphairesis taking away

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

Medicine definitions for plasmapheresis


[plăz′mə-fə-rēsĭs, -fĕrə-]


A process in which plasma is taken from donated blood and the remaining components, mostly red blood cells, are returned to the donor.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.