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[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
1530-40; de- + forest
Related forms
deforestation, noun
deforester, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for deforestation
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British Dictionary definitions for deforestation


(transitive) to clear of trees Also disforest
Derived Forms
deforestation, noun
deforester, 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
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Word Origin and History for deforestation

1884, from deforest + -ation. Earlier was deforesting (1530s) which was a legal term for the change in definition of a parcel of land from "forest" to something else.



1880 in modern sense, from de- + forest. Related: Deforested; deforesting. Disforest in the sense "to clear of trees" is from 1660s. Disafforest is attested in this sense from 1842; originally it meant "reduce from the legal status of a forest" (1590s).

Online Etymology Dictionary, © 2010 Douglas Harper
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deforestation in Science
The cutting down and removal of all or most of the trees in a forested area. Deforestation can erode soils, contribute to desertification and the pollution of waterways, and decrease biodiversity through the destruction of habitat.
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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deforestation in Culture
deforestation [(dee-fawr-uh-stay-shuhn)]

The process of destroying a forest and replacing it with something else. The term is used today to refer to the destruction of forests by human beings and their replacement by agricultural systems.

Note: Deforestation is considered to be a main contributor to the greenhouse effect.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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deforestation in Technology
A technique invented by Phil Wadler for eliminating intermediate data structures built and passed between composed functions in function languages.
The Free On-line Dictionary of Computing, © Denis Howe 2010
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