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English definition of “base”

base

noun [C] (BOTTOM)    /beɪs/
B2 the bottom part of an object, on which it rests, or the lowest part of something: a crystal glass with a heavy base At the base of the cliff was a rocky beach. This cream provides an excellent base for your make-up (= a good bottom layer on which other layers can be put).Surfaces of objectsEdges and extremities of objects
(Definition of base noun (BOTTOM) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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