asthenosphere
See also: asthénosphère
English
Etymology
From Ancient Greek ἀσθενής (asthenḗs, “weak”) + -sphere.
Pronunciation
- (UK) IPA(key): /asˈθɛnə(ʊ)sfɪə/
Noun
asthenosphere (plural asthenospheres)
- (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.
- 2003, Bill Bryson, A Short History of Nearly Everything, BCA, p. 192:
Translations
the zone of the Earth's upper mantle, below the lithosphere
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