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English definition of “reservoir”

reservoir

noun [C]     /ˈrez.ə.vwɑːr/ US  /-ɚ.vwɑːr/
a place for storing liquid, especially a natural or artificial lake providing water for a city or other areaInland waters a large supply of something: The universities constitute a reservoir of expert knowledge.Masses and large amounts of things
(Definition of reservoir noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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