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English definition of “plateau”

plateau

noun [C] (FLAT LAND)    /ˈplæt.əʊ/ US  /plætˈoʊ/ (plural UK plateaux /-z/ or US also plateaus)
a large flat area of land that is high above sea levelHills and mountains
(Definition of plateau noun (FLAT LAND) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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