"principle of least action" meaning in English

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      "glosses": [
        "A variational principle that, when applied to the action of a mechanical system, yields the equations of motion for that system. It states that the trajectories (i.e. the solutions of the equations of motion) are stationary points of the system's action functional."
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        "(physics) A variational principle that, when applied to the action of a mechanical system, yields the equations of motion for that system. It states that the trajectories (i.e. the solutions of the equations of motion) are stationary points of the system's action functional."
      ],
      "synonyms": [
        {
          "word": "stationary action principle"
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        "natural-sciences",
        "physical-sciences",
        "physics"
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  "word": "principle of least action"
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        "A variational principle that, when applied to the action of a mechanical system, yields the equations of motion for that system. It states that the trajectories (i.e. the solutions of the equations of motion) are stationary points of the system's action functional."
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        "(physics) A variational principle that, when applied to the action of a mechanical system, yields the equations of motion for that system. It states that the trajectories (i.e. the solutions of the equations of motion) are stationary points of the system's action functional."
      ],
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          "word": "stationary action principle"
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