COULOMETER

[cou.lo.me.ter] n [alter. of coulombmeter, fr. coulomb + -meter] (ca. 1889): an instrument of chemical analysis that determines the amount of a substance released in electrolysis by measurement of the quantity of electricity used -- cou.lo.met.ric adj -- cou.lo.met.ri.cal.ly adv -- cou.lom.e.try n