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Noun conservation has 3 senses
  1. conservation, preservation - an occurrence of improvement by virtue of preventing loss or injury or other change
    --1 is a kind of improvement, betterment, advance
    Derived form: verb conserve2
  2. conservation - the preservation and careful management of the environment and of natural resources
    --2 is a kind of     preservation, saving
    --2 has particulars:
     conservancy; soil conservation; oil conservation; water conservation
    Derived form: verb conserve2
  3. conservation - (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations
    --3 is a kind of     principle
    --3 has particulars:
     conservation of charge, conservation of electricity; conservation of energy, law of conservation of energy, first law of thermodynamics; conservation of mass, conservation of matter, law of conservation of mass, law of conservation of matter; conservation of momentum; parity, conservation of parity, space-reflection symmetry, mirror symmetry
    Derived form: verb conserve1
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