Dictionary Entry

asthenosphere

noun

Find the meaning of the word asthenosphere, plus dictionary definition, pronunciation, thesaurus-style synonyms, antonyms, and related vocabulary.

Meaning

Dictionary meaning in a clear, student-friendly format.

the highly viscous layer of the mantle beneath the lithosphere on which tectonic plates move

Example Sentence

The asthenosphere acts like a slow-moving conveyor belt that carries Earth's tectonic plates across the planet.

Usage Note

Use this word in earth-science reports when explaining how continents drift and why earthquakes happen along plate boundaries.

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Antonyms