hydrometer Meaning in the Cambridge English Dictionary
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Meaning of “hydrometer” in the English Dictionary

"hydrometer" in British English

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hydrometernoun [C]

uk   /haɪˈdrɒ.ɪ.tər/  us   /-drɑː.mə.t̬ɚ/ specialized
a ​piece of ​equipment used to ​measure the density (= ​amount of ​matter in a ​particularquantity) of ​liquids, ​especially a ​longglasstube, ​closed and with a ​weight at one end so that it ​floatsvertically
(Definition of hydrometer from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
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