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noun

1/60 of a minute; the basic unit of time adopted under the Systeme International d''Unites
Synonyms: sec, second
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)
Synonyms: atomic number 16, sulfur, sulphur
the cardinal compass point that is at 180 degrees
Synonyms: due south, south
a unit of conductance equal to the reciprocal of an ohm
Synonyms: mho, reciprocal ohm, siemens
the 19th letter of the Roman alphabet
(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"
Synonyms: entropy, randomness