s

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).

1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites.

A unit of conductance equal to the reciprocal of an ohm.

The cardinal compass point that is at 180 degrees.

(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”

The 19th letter of the Roman alphabet.