Source : Webster's Revised Unabridged Dictionary (1913)

Kilo \Ki"lo\, n.; pl. {Kilos}. [F.]
   An abbreviation of {Kilogram}.

Source : WordNet®

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}]

Source : Free On-Line Dictionary of Computing

kilo-
     
        {prefix}