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Definition of "timberline" [timberline]

  • The elevation in a mountainous region above which trees do not grow. (noun)
  • The northern or southern latitude beyond which trees do not grow. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "timberline" in a sentence
  • "At this time the altitudinal position of the timberline was the highest, stand density the biggest, longevity of trees the longest, size of trees the largest, increment in diameter and height the most intensive as compared with other periods under review."
  • "Above the timberline was a collar of summer-green alpine pasture that turned white with snow early in the season."
  • "A broad belt of nut trees running the length of the great timberline which is to be created for the protection of the western states from a recurrence of drouth, might prove a more dependable protection to our food supply than the possible effect of a narrow strip of woodland upon the country's climate."
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