The Collaborative International Dictionary
Diagometer
Diagometer \Di`a*gom"e*ter\, n. [Gr. ? to transmit + -meter.]
A sort of electroscope, invented by Rousseau, in which the
dry pile is employed to measure the amount of electricity
transmitted by different bodies, or to determine their
conducting power.
--Nichol.
Wiktionary
diagometer
n. A kind of electroscope in which the dry pile is employed to measure the amount of electricity transmitted by different bodies, or to determine their conductive power.