s [ es ]

• n.
  • 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites

    同义词： 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)

    同义词： sulfur sulphur atomic number 16

  • the cardinal compass point that is at 180 degrees

    同义词： south due south southward

  • a unit of conductance equal to the reciprocal of an ohm

    同义词： mho siemens reciprocal ohm

  • the 19th letter of the Roman alphabet

    同义词： letter 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"

    同义词： randomness entropy

以上来源于: WordNet