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  1. conservation

    • IPA[ˌkɒnsəˈveɪʃn]

    英式

    • n.
      prevention of wasteful use of a resource;preservation, protection, or restoration of the natural environment and of wildlife
    • noun: conservation

    • 釋義
    • 相關詞

    名詞

    • 1. prevention of wasteful use of a resource they launched a week-long campaign to promote energy conservation
    • preservation, protection, or restoration of the natural environment and of wildlife nature conservation
    • preservation and repair of archaeological, historical, and cultural sites and artefacts the artworks in the collection need indexing and conservation
    • 2. the principle by which the total value of a physical quantity or parameter (such as energy, mass, linear or angular momentum) remains constant in a system which is not subject to external influence.
    • n.
      the prevention of the wasteful use of energy, especially in order to ensure its continuing ... the houses are designed with energy conservation and low maintenance costs firmly in mind a conscious decision to promote renewable fuels and energy conservation

    Oxford American Dictionary

    • n.
      the prevention of the wasteful use of energy, especially in order to ensure its continuing ... the houses are designed with energy conservation and low maintenance costs firmly in mind a conscious decision to promote renewable fuels and energy conservation

    Oxford Dictionary

    • n.
      a method of crop production in which mechanical disturbance to the soil is kept to a minimum ... conservation agriculture aims to leave the land in its natural state as far as possible

    Oxford Dictionary

    • n.
      a method of crop production in which mechanical disturbance to the soil is kept to a minimum ... conservation agriculture aims to leave the land in its natural state as far as possible

    Oxford American Dictionary

    • n.
      an area of protected land available for public use and recreation: we discussed greater protection for rivers in conservation parks

    Oxford Dictionary

    • n.
      an area of notable environmental or historical interest or importance which is protected by law ...

    Oxford Dictionary

    • n.
      a principle stating that energy cannot be created or destroyed, but can be altered from one ...

    Oxford American Dictionary

    • n.
      a principle stating that the total electric charge of an isolated system is fixed.

    Oxford American Dictionary

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    • IPA[ˌkänsərˈvāSHən]

    美式

    • n.
      prevention of wasteful use of a resource: they launched a week-long campaign to promote energy conservation

    Oxford American Dictionary