A unit of conductance equal to the reciprocal of an ohm.

synonyms: mho, reciprocal ohm, S.

Dutch: siemens
Polish: S, simens

Engineer who was a brother of Ernst Werner von Siemens and who moved to England (1823-1883).

synonyms: Karl Wilhelm Siemens, Sir Charles William Siemens.

German electrical engineer (1816-1892).

synonym: Ernst Werner von Siemens.