From WordNet (r) 3.0 (2006) :
siemens n 1: a unit of conductance equal to the reciprocal of an ohm [syn: mho, siemens, reciprocal ohm, S] 2: engineer who was a brother of Ernst Werner von Siemens and who moved to England (1823-1883) [syn: Siemens, Karl Wilhelm Siemens, Sir Charles William Siemens] 3: German electrical engineer (1816-1892) [syn: Siemens, Ernst Werner von Siemens]From The Free On-line Dictionary of Computing (30 December 2018) :
Siemens A German semiconductor and electronics manufacturer. http://siemens.de/)">(http://siemens.de/). [Summary?] (1995-07-26)