Ruhmkorff
/ˈruːmkɔːf/(also Rühmkorff) Physics. Now chiefly historical
noun
= Ruhmkorff coil.
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.