1/60 of a minute; the basic unit of time adopted under the Systeme International dUnites

[ Syn: second , sec ]

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)

[ Syn: sulfur , s , sulphur , atomic number 16 ]

the cardinal compass point that is at 180 degrees

[ Syn: south , due south , southward , s ]

a unit of conductance equal to the reciprocal of an ohm

[ Syn: mho , siemens , reciprocal ohm , s ]

the 19th letter of the Roman alphabet

[ Syn: s , s , s , 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

[ Syn: randomness , entropy , s ]