English > conservation: 3 senses > noun 3, cognition| Meaning | (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations. |
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| Category | physics, natural philosophy | The science of matter and energy and their interactions |
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| Narrower | conservation of charge, conservation of electricity | The principle that the total electric charge of a system remains constant despite changes inside the system |
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| conservation of energy, law of conservation of energy, first law of thermodynamics | The fundamental principle of physics that the total energy of an isolated system is constant despite internal changes |
| conservation of mass, conservation of matter, law of conservation of mass, law of conservation of matter | A fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system |
| conservation of momentum | The principle that the total linear momentum in a closed system is constant and is not affected by processes occurring inside the system |
| parity, conservation of parity, space-reflection symmetry, mirror symmetry | (physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system |
| Broader | principle | A basic truth or law or assumption / assumption |
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| Spanish | conservación |
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| Catalan | conservació |
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| Verbs | conserve | keep constant through physical or chemical reactions or evolutionary change |
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