English noun: conservation |
1. | conservation (event) an occurrence of improvement by virtue of preventing loss or injury or other change |
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| Synonyms | preservation |
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| Broader (hypernym) | advance, betterment, improvement |
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2. | conservation (act) the preservation and careful management of the environment and of natural resources |
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| Broader (hypernym) | preservation, saving |
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| Narrower (hyponym) | conservancy, oil conservation, soil conservation, water conservation |
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3. | conservation (cognition) (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations |
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| Broader (hypernym) | principle |
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| Narrower (hyponym) | conservation of charge, conservation of electricity, conservation of energy, conservation of mass, conservation of matter, conservation of momentum, conservation of parity, first law of thermodynamics, law of conservation of energy, law of conservation of mass, law of conservation of matter, mirror symmetry, parity, space-reflection symmetry |
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| Domain category | natural philosophy, physics |
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