free energy


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Related to free energy: Gibbs free energy, perpetual motion, free electricity

free energy

n.
1. A thermodynamic quantity that is the difference between the internal energy of a system and the product of its absolute temperature and entropy; the capacity of a system to do work, as in an exothermic chemical reaction.
2. A thermodynamic quantity that is the difference between the enthalpy and the product of the absolute temperature and entropy of a system. Also called Gibbs free energy.

free energy

n
(General Physics) a thermodynamic property that expresses the capacity of a system to perform work under certain conditions. See Gibbs function, Helmholtz function
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.free energy - (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do workfree energy - (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs; "energy can take a wide variety of forms"
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
physical phenomenon - a natural phenomenon involving the physical properties of matter and energy
activation energy, energy of activation - the energy that an atomic system must acquire before a process (such as an emission or reaction) can occur; "catalysts are said to reduce the energy of activation during the transition phase of a reaction"
alternative energy - energy derived from sources that do not use up natural resources or harm the environment
atomic energy, nuclear energy - the energy released by a nuclear reaction
binding energy, separation energy - the energy required to separate particles from a molecule or atom or nucleus; equals the mass defect
chemical energy - that part of the energy in a substance that can be released by a chemical reaction
electrical energy, electricity - energy made available by the flow of electric charge through a conductor; "they built a car that runs on electricity"
energy level, energy state - a definite stable energy that a physical system can have; used especially of the state of electrons in atoms or molecules; "according to quantum theory only certain energy levels are possible"
rest energy - the energy equivalent to the mass of a particle at rest in an inertial frame of reference; equal to the rest mass times the square of the speed of light
work - (physics) a manifestation of energy; the transfer of energy from one physical system to another expressed as the product of a force and the distance through which it moves a body in the direction of that force; "work equals force times distance"
heat, heat energy - a form of energy that is transferred by a difference in temperature
mechanical energy - energy in a mechanical form
radiant energy - energy that is transmitted in the form of (electromagnetic) radiation; energy that exists in the absence of matter
radiation - energy that is radiated or transmitted in the form of rays or waves or particles
References in periodicals archive ?
HOUSEHOLDERS can get free energy saving tips this week as winter begins to bite.
SOME npower customers are to receive free energy after the company failed to resolve their complaints on time, the regulator has announced.
It came as npower were forced to give 1000 customers free energy - and wipe their debts - after a complaints fiasco.
Ofgem senior partner Anthony Pygram said: "We're pleased that we have been able to secure free energy for npower customers waiting longer than 28 days for a resolution to their ombudsman complaint.
It came as npower was forced to give 1,000 customers free energy - and wipe their debts - after a complaints fiasco.
So dig into the world of sci-fi and imagine a small device that provides the whole house with free energy, or a means of transport that you don't have to spend a fortune on to make it move, and then visit the Free Energy Conference on Thursday at the University of Nicosia where you can compare your imagination with reality and find out all about the fight for free energy which won't leave a carbon footprint.
Any council tenant can request a free Energy for the Future advice visit ahead of the winter months.
They also provided a free energy monitoring service which has helped residents to identify any potential opportunities to reduce their energy consumption and so reduce their energy bills.
Sustainable energy sepcialist Tadea is working with Erimus Housing in Middlesbrough to carry out free energy checks on properties.
He expressed these views while addressing a distribution ceremony of energy savers under Prime Minister Free Energy Saver Programme at village 9-11/WB.
Mardan -- Residents stressed for measures to make sure fair and transparent distribution of free energy savers among consumers under the Prime Minister Energy Savers program as launched few days ago in Mardan city like other parts of the country.