Pronunciation: (kil'u-gram"mē'tur),[key] —n.Physics. a meter-kilogram-second unit of work or energy, equal to the work done by a force of one kilogram when its point of application moves through a distance of one meter in the direction of the force; approximately 7.2 foot-pounds. Abbr.: kg-m Cf. joule.Also,esp. Brit.,kil'o•gramme"-me'tre.