tec·​ton·​ics | \ tek-ˈtä-niks How to pronounce tectonics (audio) \

Definition of tectonics

1 : geological structural features as a whole
2a : a branch of geology concerned with the structure of the crust of a planet (such as the earth) or moon and especially with the formation of folds and faults in it
b : tectonism

Examples of tectonics in a Sentence

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Along with many other creatures, it had been thought that these spiders were separated from their companions by the slow breakup of the supercontinent Gondwana as the Earth's tectonics plates shifted. Ben Panko, Smithsonian, "How One Brave Spider Floated Thousands of Miles to Colonize a New Continent," 2 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tectonics.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of tectonics

1899, in the meaning defined at sense 1

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The first known use of tectonics was in 1899

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English Language Learners Definition of tectonics

geology : the structure of the Earth's surface and the ways in which it changes shape over time

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Britannica.com: Encyclopedia article about tectonics

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an act or instance of returning to life

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