单词	coulometer
释义	coulometer noun cou·​lo·​me·​ter kü-ˈlä-mə-tər  ˈkü-lə-ˌmē-tər  : an instrument of chemical analysis that determines the amount of a substance released in electrolysis by measurement of the quantity of electricity used coulometric ˌkü-lə-ˈme-trik  adjective coulometrically ˌkü-lə-ˈme-tri-k(ə-)lē  adverb coulometry kü-ˈlä-mə-trē  noun Word History Etymology alteration of coulombmeter, from coulomb + -meter First Known Use circa 1889, in the meaning defined above
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