tectonic Meaning in the Cambridge English Dictionary
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Meaning of “tectonic” in the English Dictionary

"tectonic" in British English

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tectonicadjective

uk   /tekˈtɒn.ɪk/  us   /-ˈtɑː.nɪk/
specialized geology relating to the ​structure of the ​surface of the ​earth and the way it is ​formed, ​changed, and ​moved by ​forces inside it: the ​motion of the earth's tectonic plates (= ​sections of the planet's ​surface) A tectonic ​change is a very ​important one that will have ​majoreffects: He ​led the ​company through a ​period of tectonic shifts in the ​movieindustry. The ​process of writing is in the ​midst of a tectonic changecaused by ​changes in the ​technologywriters use.
tectonics
noun [U] uk   /-ˈtɒn.ɪks/  us   /-ˈtɑː.nɪks/
plate tectonics
(Definition of tectonic from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
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