subcrustal

adjective
sub·​crust·​al | \ ˌsəb-ˈkrə-stᵊl How to pronounce subcrustal (audio) \

Definition of subcrustal

: situated or occurring below a crust and especially the crust of the earth

First Known Use of subcrustal

1884, in the meaning defined above

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The first known use of subcrustal was in 1884

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Cite this Entry

“Subcrustal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subcrustal. Accessed 14 Jun. 2021.

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