Meaning of CLARK CELL in English

CLARK CELL

noun

or clark standard cell “-

Usage: usually capitalized 1st C

Etymology: after Josiah L. Clark died 1898 English engineer

: a voltaic cell in early use as a standard of electromotive force having zinc amalgam and mercury as electrodes and zinc sulfate as electrolyte with an electromotive force at 15° C of 1.4328 volts

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.