( n. )
An instrument for detecting the presence of electricity, or changes in the electric state of bodies, or the species of electricity present, as by means of pith balls, and the like.
( n. )
An instrument for detecting the presence of electricity, or changes in the electric state of bodies, or the species of electricity present, as by means of pith balls, and the like.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012