Definition of Ruhmkorff in English:
Ruhmkorff
(also Rühmkorff)
Origin
Mid 19th century (in an earlier sense). From the name of Heinrich Daniel Rühmkorff, German-born inventor, who invented the induction coil. With Ruhmkorff coil compare French bobine de Ruhmkorff.
Pronunciation
Ruhmkorff
/ˈruːmkɔːf/