[ fyoo-mi-guhnt ]
/ ˈfyu mɪ gənt /


any volatile or volatilizable chemical compound used as a disinfectant or pesticide.

Origin of fumigant

1720–30; <Latin fūmigant- (stem of fūmigāns, present participle of fūmigāre), equivalent to fūmig- (see fumigate) + -ant--ant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for fumigant

  • The strength at which this fumigant is used is one part in 800 parts of water, and is applied as a spray.

British Dictionary definitions for fumigant

/ (ˈfjuːmɪɡənt) /


a substance used for fumigating
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

Medical definitions for fumigant

[ fyōōmĭ-gənt ]


A chemical compound used in its gaseous state as a disinfectant.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.