upper mantle

noun

The layer of Earth's interior located beneath the crust and extending to a depth of 410 kilometers.

“Meronym: asthenosphere”

Similar
outer mantle
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Meanings

nounupper mantle (plural upper mantles)

plural upper mantles

  1. geographyThe layer of Earth's interior located beneath the crust and extending to a depth of 410 kilometers.

    Meronym: asthenosphere

    1 more example

    Holonyms: mantle < Earth

    Synonyms: outer mantle

  2. Any similar layer of an exoplanet.

    Holonyms: mantle < planet

    Synonyms: outer mantle

Synonyms & antonyms

nounThe layer of Earth's interior located beneath the crust and extending to a depth of 410 kilometers.

Similar
outer mantle

nounAny similar layer of an exoplanet.

Similar
outer mantle
Also see
outer mantle
Cite this entry
APA

upper mantle. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/upper%20mantle

MLA

“upper mantle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/upper%20mantle. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “upper mantle,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/upper%20mantle.

Source: upper mantle on Wiktionary, CC BY-SA 4.0.