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English definition of “ether”

ether

noun [U] (MEDICAL)    /ˈiː.θər/ US  /-θɚ/
a clear liquid used, especially in the past, as an anaesthetic to make people sleep before a medical operationSpecific chemicals, chemical compounds and gasesSubstances and structures in the bodyTypes of chemical
(Definition of ether noun (MEDICAL) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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