HyperDic: free_energy

English > 1 sense of the expression free energy:
NOUNphenomenonfree energy, energy(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work
English > free energy: 1 sense > noun 1, phenomenon
Meaning(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs.
Categoryphysics, natural philosophyThe science of matter and energy and their interactions
Narroweractivation energy, energy of activationThe energy that an atomic system must acquire before a process (such as an emission or reaction) can occur
alternative energyenergy derived from sources that do not use up natural resources or harm the environment
atomic energy, nuclear energyThe energy released by a nuclear reaction
binding energy, separation energyThe energy required to separate particles from a molecule or atom or nucleus
chemical energyThat part of the energy in a substance that can be released by a chemical reaction
electricity, electrical energy, powerEnergy made available by the flow of electric charge through a conductor
energy level, energy stateA definite stable energy that a physical system can have
heat, heat energyA form of energy that is transferred by a difference in temperature
mechanical energyEnergy in a mechanical form
radiant energyEnergy that is transmitted in the form of (electromagnetic) radiation
radiationEnergy that is radiated or transmitted in the form of rays / rays or waves or particles
rest energyThe energy equivalent to the mass of a particle at rest in an inertial frame of reference
work(physics) a manifestation of energy
Broaderphysical phenomenonA natural phenomenon involving the physical properties of matter and energy

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