英英辞典 - English Dictionary | CUERBO - クエルボ英語辞書

conservation

noun

  1. the preservation and careful management of the environment and of natural resources

    環境や天然資源の保護や注意深い管理

  2. the maintenance of a certain quantities unchanged during chemical reactions or physical transformations

    化学反応または物理的変化の間の、不変の若干量の維持

  3. an occurrence of improvement by virtue of preventing loss or injury or other change

    損失、負傷または他の変化を予防することによる改良の発生

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