verb (used with object), per·fused, per·fus·ing.

to overspread with moisture, color, etc.; suffuse.
to diffuse (a liquid, color, etc.) through or over something.
Surgery. to pass (fluid) through blood vessels or the lymphatic system.

Origin of perfuse

1520–30; < Latin perfūsus, past participle of perfundere to drench, flood. See per-, fuse2
Related formsper·fu·sive [per-fyoo-siv] /pərˈfyu sɪv/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for perfuse


verb (tr)

to suffuse or permeate (a liquid, colour, etc) through or over (something)
surgery to pass (a fluid) through organ tissue to ensure adequate exchange of oxygen and carbon monoxide
Derived Formsperfused, adjectiveperfusion, nounperfusionist, nounperfusive, adjective

Word Origin for perfuse

C16: from Latin perfūsus wetted, from perfundere to pour over, from per- + fundere to pour
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

Word Origin and History for perfuse

1520s, from Latin perfusus, past participle of perfundere "to pour over, besprinkle," from per- + fundere (see found (v.2)).

Online Etymology Dictionary, © 2010 Douglas Harper

perfuse in Medicine




To pour or diffuse a liquid over or through something.
To force blood or other fluid to flow from the artery through the vascular bed of a tissue or to flow through the lumen of a hollow structure.
Related formsper•fusive (pər-fyōōsĭv) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.