1. (a unit of conductance equal to the reciprocal of an ohm)
mho, siemens, reciprocal ohm, S
synonim: simens

2. (an abundant tasteless odorless multivalent nonmetallic element
best known in yellow crystals
occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions) )
sulfur, S, sulphur, atomic number 16: : synonim: siarka