s

s (http://definr.com/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]
     5: the 19th letter of the Roman alphabet [syn: S]