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单词 timberline
释义

timberline

[ tim-ber-lahyn ]
/ ˈtɪm bərˌlaɪn /
SEE SYNONYMS FOR timberline ON THESAURUS.COM

noun

the altitude above sea level at which timber ceases to grow.
the arctic or antarctic limit of tree growth.
Also called tree line, tree·line [tree-lahyn] /ˈtriˌlaɪn/ .

Origin of timberline

An Americanism dating back to 1865–70; timber + line1

Words nearby timberline

timbering, timberjack, Timberlake, timberland, timber limit, timberline, timberman, timber mill, timber rattlesnake, timber right, timber wolf
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for timberline

British Dictionary definitions for timberline

timberline
/ (ˈtɪmbəˌlaɪn) /

noun

the altitudinal or latitudinal limit of normal tree growthSee also tree line
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

Scientific definitions for timberline

timberline
[ tĭmbər-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® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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