Definition of timberline in English:

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timberline

Pronunciation: /ˈtimbərˌlīn/

noun

chiefly North American
1(On a mountain) the line or altitude above which no trees grow. Also called tree line.
Example sentences
  • Its nesting habitat is on remote, rocky ridges above the timberline.
  • Above the timberline, which lies at about 10,200 feet, the habitat is alpine tundra.
  • Horticulturists who hike above the timberline have noticed a remarkable phenomenon: Some of the most delicate and beautiful wildflowers grow in exposed scree.
1.1(In high northern (or southern) latitudes) the line north (or south) of which no trees grow.
Example sentences
  • It adopts a bushy form at the high-altitude timberline along the Andes from northern to southern Patagonia.

For editors and proofreaders

Syllabification: tim·ber·line

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