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English definition of “sterile”

sterile

adjective uk   /ˈster.aɪl/ us    /-əl/

sterile adjective (UNABLE TO PRODUCE)

(of a living being) unable to produce young, or (of land) unable to produce plants or crops: Mules are usually sterile. One of the side effects of the drug could be to make men sterile.Animal reproductionFertile or infertile land having no imagination, new ideas, or energy: a sterile argumentTedious and uninspiring

sterile adjective (CLEAN)

completely clean and free from dirt and bacteria: The operation must be carried out under sterile conditions.Clean and tidy
(Definition of sterile from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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