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tectonism

[ tek-tuh-niz-uhm ]
/ ˈtɛk təˌnɪz əm /
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noun Geology.
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Origin of tectonism

First recorded in 1945–50; tecton(ic) + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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