alternative energy |
any form of energy other than that which comes from fossil fuel. |
alternative energy source |
any source of energy other than fossil fuel. |
atomic energy |
the energy that is released by atoms in nuclear reactions. [2 definitions] |
conservation of energy |
a principle of physics that asserts that the total energy in a closed system remains constant regardless of changes in the system. |
energy-saving |
of or pertaining to a device or process that uses energy efficiently. |
geothermal energy |
heat energy produced in the interior of the earth, or energy derived from earth's heat. |
high-energy |
providing food energy to the body quickly and easily. [3 definitions] |
high-energy particle |
an atom or part of an atom having energy greater than one hundred thousand electron volts. |
kinetic energy |
energy resulting from motion. |
nuclear energy |
energy released from the nuclei of atoms, either by splitting or by fusing them. |
potential energy |
in physics, the energy of a particle, body, or system that is determined by its position or structure. (Cf. kinetic energy.) |
radiant energy |
energy transmitted by waves, such as electromagnetic radiation or heat. |
renewable energy |
any form of energy that is naturally replenished within a human lifetime, such as solar energy or wind power. |
renewable energy source |
any source of energy that is naturally replenished within a human lifetime. |
solar energy |
energy that comes from the sun. |
waste-to-energy |
the process of producing heat or electricity from waste. [2 definitions] |