lower mantle

English

Noun

lower mantle (plural lower mantles)

  2. The part of the Earth's mantle from 660 to 2890 km (410 to 1800 miles) below Earth's surface, between the transition zone and the outer core; it occupies about 56% of the total volume of the Earth.
    Synonyms: inner mantle, mesosphere
    Holonyms: mantle < Earth, earth
    Comeronyms: upper mantle, outer mantle
  3. Any similar layer in an exoplanet.
    Synonym: inner mantle
    Holonyms: mantle < planet
    Comeronyms: upper mantle, outer mantle
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