English

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Etymology

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From geo- +‎ tectonics (although this is apparently first attested later), possibly from German Geotektonik.[1]

Pronunciation

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Noun

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geotectonics (uncountable)

  1. Tectonics, structural geology; the study of the structure of the Earth, especially of the formation and movement of tectonic plates.
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References

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  1. ^ geotectonics, n.”, in OED Online  , Oxford, Oxfordshire: Oxford University Press, July 2018.