Energy derived from any source other than fossil fuels. / Energy derived from any renewable source, i.e other than fossil fuels or nuclear fission.

(physics) The difference between the average energy of the free atoms and that of the atoms of a solid (especially a crystal).

(physics) The energy associated with the electrostatic forces of a system of particles, especially with that of the electrons of a covalent bond.

(physics) The difference between the actual energy of a particular energy level of an atom or molecule and that calculated by the Hartree-Fock approximation

(physics) All energy that could somehow be converted to mechanical work.

(chemistry, physics) The sum of the bond dissociation energies of all the bonds in a molecule / (chemistry, physics) The average or typical bond dissociation energy of a particular type of bond

(US) Alternative spelling of alternative energy

(physics) The energy released during a nuclear reaction

(physics, chemistry) The energy needed to break every chemical bond in a molecule and completely separate all its atoms

eddy kinetic energy