Synonyms
Etymology

1. peridotite

noun. a dark coarse-grained igneous rock consisting principally of olivine.

Synonyms

  • kimberlite

Etymology

  • -ite (English)
  • peridot (English)
  • peridou (Anglo-Norman)

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Example sentences of the word peridotite


1. Noun, singular or mass
The crust extends some 2 to 6 miles beneath ocean basins and as far as 50 miles beneath major mountain belts on the continent before transitioning to the iron- and magnesium-rich peridotite of the upper mantle.

2. Adjective
The Peridot birthstone is produced from peridotite rock.

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