s
n 1: 1/60 of a minute; the basic unit of time adopted under the
System International d'Unites [syn: {second}, {sec}]
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) [syn: {sulfur}, {S}, {sulphur},
{atomic number 16}]
3: the cardinal compass point that is at 180 degrees [syn: {south},
{due south}, {S}]
4: a unit of conductance equal to the reciprocal of an ohm
[syn: {mho}, {siemens}, {reciprocal ohm}, {S}]