timberline
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Related to timberline: timberland
tim·ber·line
(tĭm′bər-līn′)n.
1. The elevation in a mountainous region above which trees do not grow.
2. The northern or southern latitude beyond which trees do not grow. In both senses also called tree line.
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.
timberline
(ˈtɪmbəˌlaɪn)n
(Physical Geography) the altitudinal or latitudinal limit of normal tree growth. See also tree line
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
tim•ber•line
(ˈtɪm bərˌlaɪn)n.
1. the altitude above sea level at which timber ceases to grow.
2. the arctic or antarctic limit of tree growth.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
tim·ber·line
(tĭm′bər-līn′) A geographic boundary beyond which trees cannot grow. On the Earth as a whole, the timberline is the northernmost or southernmost latitude at which trees can survive; in a mountainous region, it is the highest elevation at which trees can survive. Also called tree line.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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| Noun | 1. |  timberline - line marking the upper limit of tree growth in mountains or northern latitudesline - a spatial location defined by a real or imaginary unidimensional extent |
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