Liter: A metric measure of capacity that is equal to the volume of 1 kilogram of water at 4' Celsius and at standard atmospheric pressure of 760 millimeters of mercury. There are 1,000 cubic centimeters, or 1 cubic decimeter, in 1 liter. A liter is a little more than 1 quart (1.057 US liquid quarts). Abbreviated L or l.
