asthenosphere
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See also: asthénosphère
English[edit]
Etymology[edit]
From Ancient Greek ἀσθενής (asthenḗs, “weak”) + -sphere.
Pronunciation[edit]
Noun[edit]
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, page 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, published 2011, page 79:
- The asthenosphere that underlies the surface plates is not liquid in any vernacular sense, although it is relatively plastic.
Derived terms[edit]
Translations[edit]
the zone of the Earth's upper mantle, below the lithosphere
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