energy
Definition
Measure of the ability of a body or system to do work or produce a change, expressed usually in joules or kilowatt hours (kWh). No activity is possible without energy and its total amount in the universe is fixed. In other words, it cannot be created or destroyed but can only be changed from one type to another. The two basic types of energy are (1) Potential: energy associated with the nature, position, or state (such as chemical energy, electrical energy, nuclear energy). (2) Kinetic: energy associated with motion (such as a moving car or a spinning wheel).
energy is in the Economics, Politics, & Society and Industries, Manufacturing, & Technology subjects.
energy appears in the definitions of the following terms:
coefficient of performance (COP),
pollutant,
energy factor (EF),
toughness,
system,
line loss,
trash to energy,
resource recovery,
energy audit,
quad
and
energy appears in the other terms:
total energy system,
energy utilization index,
energy crop,
energy efficient product,
energy efficiency ratio (EER),
energy efficiency,
energy consumption,
geothermal energy,
energy resource,
energy reserves
and
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