[ dee-fawr-ist, -for- ]
/ diˈfɔr ɪst, -ˈfɒr- /

verb (used with object)

to divest or clear of forests or trees: Poor planning deforested the area in ten years.

Origin of deforest

First recorded in 1530–40; de- + forest

Related forms

de·for·est·a·tion, nounde·for·est·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deforest

British Dictionary definitions for deforest


/ (diːˈfɒrɪst) /


(tr) to clear of treesAlso: disforest

Derived Forms

deforestation, noundeforester, noun
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

Science definitions for deforest


[ dĭ-fôrĭst ]
Lee 1873-1961

American electrical engineer and inventor who is known as "the father of radio." He patented more than 300 inventions, including the triode electron tube, which made it possible to amplify and detect radio waves.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.