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