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 (to͞o′mə-fā′shənt, tyo͞o′-)
Producing or tending to produce swelling or tumefaction.

[Latin tumefaciēns, tumefacient-, present participle of tumefacere, to tumefy : tumēre, to swell; see teuə- in Indo-European roots + facere, to make; see dhē- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Medicine) producing or capable of producing swelling: a tumefacient drug.
[C16: from Latin tumefacere to cause to swell, from tumēre to swell + facere to cause]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌtu məˈfeɪ ʃənt, ˌtyu-)

becoming swollen; swelling.
[1880–85; < Latin tumefacient-, s. of tumefaciēns, present participle of tumefacere; see tumefy]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
A demyelinating process should always be considered if any mass-like lesions are present because tumefacient MS may mimic a neoplasm.
Turker, "The use of Agrobacterium tumefacients immobilized on Amberlite XAD-4 as a new biosorbent for the column preconcentration of iron(III), cobalt(II), manganese(II) and chromium(III)," Talanta, vol.