asthenosphere

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See also: asthénosphère

English

English Wikipedia has an article on:
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Etymology

From (deprecated template usage) [etyl] Ancient Greek ἀσθενής (asthenḗs, “weak”) + -sphere.

Pronunciation

  • Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "UK" is not valid. See WT:LOL and WT:LOL/E. IPA(key): /asˈθɛnə(ʊ)sfɪə/

Noun

asthenosphere (plural asthenospheres)

  1. (geology) The zone of the Earth's upper mantle, below the lithosphere.
    • 2003, Bill Bryson, A Short History of Nearly Everything, BCA, p. 192:
      To say that the lithosphere floats on top of the asthenosphere suggests a degree of easy buoyancy that isn't quite right.
    • 2004, Richard Fortey, The Earth, Folio Society 2011, p. 79:
      The asthenosphere that underlies the surface plates is not liquid in any vernacular sense, although it is relatively plastic.

Translations

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