1. 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites Noun
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) Noun
3. The cardinal compass point that is at 180 degrees Noun
4. A unit of conductance equal to the reciprocal of an ohm Noun
5. The 19th letter of the Roman alphabet Noun
6. (thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work Noun