energy

(en’er-je) (Gr. ἐνέργεια)]. Ability to operate or work; power to produce motion, to overcome resistance, and to effect physical changes. biotic @., the form of energy peculiar to living matter. conservation of e., the principle that in the conversion of one kind of energy into another no energy is ever lost or created. kinetic e., energy in action or engaged in producing work or motion. potential e., e. of position, energy at rest or not manifested in actual work.