1. (noun) a unit of conductance equal to the reciprocal of an ohm

• mho
• reciprocal ohm
• s

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

• karl wilhelm siemens
• sir charles william siemens

3. (noun) German electrical engineer (1816-1892)

• ernst werner von siemens

1. (noun) a unit of conductance equal to the reciprocal of an ohm

• conductance unit