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[too-muh-fahy, tyoo-] /ˈtu məˌfaɪ, ˈtyu-/
verb (used with or without object), tumefied, tumefying.
to make or become swollen or tumid.
Origin of tumefy
1590-1600; back formation from tumefied, Anglicization of Latin tumefactus (past participle of tumefacere to cause to swell), equivalent to tume(re) to swell + -factus made, done; see fact, -fy
Related forms
untumefied, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for tumefy


verb -fies, -fying, -fied
to make or become tumid; swell or puff up
Word Origin
C16: from French tumēfier, from Latin tumefacere; see tumefacient
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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tumefy in Medicine

tumefy tu·me·fy (tōō'mə-fī', tyōō'-)
v. tu·me·fied, tu·me·fy·ing, tu·me·fies
To swell or cause to swell.

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