noun
: an electrometer for measuring small electric potential differences based upon change of surface tension between mercury and an electrolytic solution in a capillary tube with change of potential difference between the liquids
noun
: an electrometer for measuring small electric potential differences based upon change of surface tension between mercury and an electrolytic solution in a capillary tube with change of potential difference between the liquids
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012