tectonism

noun
tec·​to·​nism | \ ˈtek-tə-ˌni-zəm How to pronounce tectonism (audio) \

Definition of tectonism

: the process of deformation that produces in the earth's crust its continents and ocean basins, plateaus and mountains, folds of strata, and faults

called also diastrophism

First Known Use of tectonism

1948, in the meaning defined above

History and Etymology for tectonism

tecton(ic) + -ism

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The first known use of tectonism was in 1948

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Cite this Entry

“Tectonism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tectonism. Accessed 27 Sep. 2020.

More from Merriam-Webster on tectonism

Britannica.com: Encyclopedia article about tectonism

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