n.; pl. Kilos [ F. ] An abbreviation of Kilogram. [ 1913 Webster ]

pos>pref. [ F. kilo-. See Kilogram. ] A combining form used to signify thousand in forming the names of units of measurement; as, kilogram, kilometer, kilowatt, etc. [ Webster 1913 Suppl. ]

{ }, n. [ F. kilogramme; pref. kilo- (fr. Gr. chi`lioi a thousand ) + gramme. See 3d Gram. ] A measure of mass and weight, being a thousand grams, equal to 2.2046226 pounds avoirdupois (15, 432.34 grains). It is nearly equal to the mass of a cubic decimeter of distilled water at the temperature of maximum density, or 39° Fahrenheit. See 3rd gram. [ Webster 1913 Suppl. ]

{ }, n. (Mech.) A measure of energy or work done, being the amount expended in raising one kilogram through the height of one meter, in the latitude of Paris. [ Webster 1913 Suppl. ]

{ }, n. [ F. kilolitre. See Kilogram, and Liter. ] A measure of capacity equal to a cubic meter, or a thousand liters. It is equivalent to 35.315 cubic feet, and to 220.04 imperial gallons, or 264.18 American gallons of 321 cubic inches. [ Webster 1913 Suppl. ]

{ }, n. [ F. kilometre. See Kilogram, and Meter. ] A measure of length, being a thousand meters. It is equal to 3, 280.84 feet, or 0.62137119 of a mile. [ 1913 Webster ]

n. [ F. kilostere. See Kilogram, and Stere. ] A cubic measure containing 1000 cubic meters, and equivalent to 35, 315 cubic feet. [ 1913 Webster ]

n. [ Kilo- + volt. ] (Elec.) A unit of electromotive force equal to one thousand volts. [ Webster 1913 Suppl. ]

n. [ See Kilogram and Watt. ] (Elec.) One thousand watts. [ 1913 Webster ]

. (Elec.) A unit of work or energy equal to that done by one kilowatt acting for one hour; -- approximately equal to 1.34 horse-power hour. [ Webster 1913 Suppl. ]