Nouns

(n)sulfur, S, sulphur, atomic number 16an 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)
(n)south, due south, southward, Sthe cardinal compass point that is at 180 degrees
(n)mho, siemens, reciprocal ohm, Sa unit of conductance equal to the reciprocal of an ohm
(n)S, sthe 19th letter of the Roman alphabet
(n)randomness, entropy, S(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work“entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity”