Clark cell

/ klɑːk /

noun

1. physics a cell having a mercury cathode surrounded by a paste of mercuric sulphate and a zinc anode in a saturated solution of zinc sulphate. Formerly used as a standard, its emf is 1.4345 volts

Word History and Origins

Origin of Clark cell¹

C19: named after Hosiah Clark (died 1898), English scientist

Example Sentences

The resistance R was about 9 ohms, and the potential difference E was varied from three to six Clark cells, giving a rate of heat-supply about 2 to 6 watts.

From Project Gutenberg