| 1. conservation [ Synonyms: preservation] | |
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An occurrence of improvement by virtue of preventing loss or injury or other change
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| 2. conservation | |
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The preservation and careful management of the environment and of natural resources
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ماحولیاتی تحفظ۔ |
| 3. conservation | |
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(physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations
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