Asthenosphere Definition

ăs-thĕnə-sfîr

noun

A zone of the earth's mantle that lies beneath the lithosphere and consists of several hundred kilometers of deformable rock.

American Heritage

A zone in the upper mantle of the earth, consisting of hot, plastic rock, that underlies the solid lithosphere.

Webster's New World

(geology) The zone of the Earth's upper mantle, below the lithosphere.

Wiktionary

Other Word Forms of Asthenosphere

Singular:

asthenosphere

Plural:

asthenospheres

From Ancient Greek ἀσθενής (asthenēs, “weak”) + sphere.

From Wiktionary
Greek asthenēs weak asthenia sphere

From American Heritage Dictionary of the English Language, 5th Edition

Find similar words to asthenosphere using the buttons below.