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 (ē′kə-tōn′, ĕk′ə-)
A transitional zone between two communities containing species characteristic of each.

[eco- + Greek tonos, tension, tone; see tone.]
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.


(ˈiːkəˌtəʊn; ˈɛkə-)
(Environmental Science) the zone between two major ecological communities
[C20: from eco(logy) + -tone, from Greek tonos tension, tone]
ˈecoˌtonal adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈɛk əˌtoʊn, ˈi kə-)

the transition zone between two different plant communities, as that between forest and prairie.
[1900–05; eco- + tone < Greek tónos tension]
ec`o•ton′al, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


a transitional area or zone between two different forms of vegetation, as between forest and plain. — ecotonal, adj.
See also: Environment
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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References in periodicals archive ?
Scarcely anyone has asked indigenous peoples why they go about burning an ecotome in a particular way, or according to a particular schedule.
If, that is, they are allowed to retain the use of their traditional lands, and to continue firing the ecotomes from which they draw their subsistence.