tectonic
adjective/tekˈtɒnɪk/
/tekˈtɑːnɪk/
[only before noun] (geology)- relating to the structure of the earth’s surface see also plate tectonicsTopics Geographyc1Word Originmid 17th cent. (originally relating to building or construction): via late Latin from Greek tektonikos, from tektōn ‘carpenter, builder’.
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