electrophorus

noun

elec·​troph·​o·​rus i-ˌlek-ˈträ-fə-rəs 

plural electrophori i-ˌlek-ˈträ-fə-ˌrī  -ˌrē 

: a device for producing electric charges consisting of a disk that is negatively electrified by friction and a metal plate that becomes charged by induction when placed on the disk

Word History

Etymology

New Latin, from electr- + -phorus -phore

First Known Use

1778, in the meaning defined above

Medical Definition

electrophorus

noun

elec·​troph·​o·​rus i-ˌlek-ˈträf-ə-rəs 

plural electrophori -ˌrī  -ˌrē 

: a device for producing electric charges consisting of a disk that is negatively electrified by friction and a metal plate that becomes charged by induction when placed on the disk