conservation of energy


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con·ser·va·tion of en·er·gy

the principle that the total amount of energy in a closed system remains always the same, none being lost or created in any chemical or physical process or in the conversion of one kind of energy into another, within that system.

conservation of energy

[kon′sərvā′shən]
Etymology: L, conservare, to preserve
(in physics) a law stating that in any closed system the total amount of energy is constant. It is superseded by the special relativity equation e = mc2, but it is still applicable in the chemical process.

conservation of energy

The principle according to which energy cannot be created or destroyed, but is transformed into other forms.
See also: energy

conservation of energy

general principle that the total energy of a system (object or body) and its surroundings does not change, but varies in its different components.
References in periodicals archive ?
The meeting would review the pace of implementation of the decisions taken in the first conference about conservation of energy besides evolving future strategy.
Relying on such fundamental principles of physics as conservation of energy and angular momentum, the model offers a novel way of bringing a massive planet close-but not too close-to its parent star.
According to the law of conservation of energy, he reminds me, energy can't be created or destroyed.
CanCrush UK aims to establish a network of can crushers throughout the UK which will form part of the infrastructure for waste management and will promote the conservation of energy, as recycling aluminium uses just 5% of the energy required to extract the ore from the Earth.
KASUR, August 01, 2010 (Balochistan Times): Prime Minister Syed Yusuf Raza Gilani said on Saturday that the government was taking a number of solid steps for the conservation of energy to overcome the shortage of power in the country.
To uphold the law of conservation of energy, he proposed the existence of an uncharged subatomic particle that accompanied the electron and interacted very little with other forms of matter.
Raja Anwar observed that conservation of energy is need of the hour and maintained that it could be done so by involving the student community.

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