Lithosphere

noun

Definitions

Noun
  1. 1
    The rigid, mechanically strong, outer layer of the Earth, which is divided into twelve major tectonic plates.

    "Holonyms: Earth, earth"

  2. 2
    the solid part of the earth consisting of the crust and outer mantle wordnet
  3. 3
    Any similar layer of an exoplanet.

    "Holonym: planet"

Etymology

From litho- + -sphere.

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