mho

from WordNet (r) 3.0 (2006)
mho
    n 1: a unit of conductance equal to the reciprocal of an ohm
         [syn: {mho}, {siemens}, {reciprocal ohm}, {S}]
    
from The Collaborative International Dictionary of English v.0.48
Mho \Mho\, n. [Anagram of ohm.] (Elec.)
   A unit of conductivity, being the reciprocal of the ohm.
   [Webster 1913 Suppl.]
    

[email protected]