conservation

Part of speech: noun

The act of conserving.

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Usage examples "conservation":

  1. " Energy," 23; conservation of, ibid. - "The Old Riddle and the Newest Answer", John Gerard.
  2. I call it splendid conservation. - "The Young Forester", Zane Grey.
  3. In the third place, it has become more and more evident with the progress of physics that large generalisations, such as the conservation of energy or mass, are far from certain and are very likely only approximate. - "Mysticism and Logic and Other Essays", Bertrand Russell.