kilo
  千
  Kil·o- pref.  A combining form used to signify thousand in forming the names of units of measurement; as, kilogram, kilometer, kilowatt, etc.
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  kilo
       n : one thousand grams; the basic unit of mass adopted under the
           Systeme International d'Unites; "a kilogram is
           approximately 2.2 pounds" [syn: kilogram, kg]