"time average" meaning in English

{
  "forms": [
    {
      "form": "time averages",
      "tags": [
        "plural"
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    {
      "form": "time-average",
      "tags": [
        "alternative"
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      "args": {},
      "expansion": "time average (plural time averages)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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          "source": "w"
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          "source": "w"
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          "parents": [],
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      ],
      "derived": [
        {
          "word": "time-averaged"
        },
        {
          "word": "time-average equation"
        }
      ],
      "glosses": [
        "The average, if it exists, of a function over iterations of T, a measure-preserving transformation on a measure space, starting from some initial point x."
      ],
      "id": "en-time_average-en-noun-y0MG7kyA",
      "links": [
        [
          "ergodic theory",
          "ergodic theory"
        ],
        [
          "function",
          "function"
        ],
        [
          "iteration",
          "iteration"
        ],
        [
          "measure space",
          "measure space"
        ]
      ],
      "qualifier": "ergodic theory",
      "raw_glosses": [
        "(ergodic theory) The average, if it exists, of a function over iterations of T, a measure-preserving transformation on a measure space, starting from some initial point x."
      ],
      "related": [
        {
          "word": "ensemble average"
        },
        {
          "word": "phase average"
        },
        {
          "word": "space average"
        }
      ]
    }
  ],
  "word": "time average"
}

{
  "derived": [
    {
      "word": "time-averaged"
    },
    {
      "word": "time-average equation"
    }
  ],
  "forms": [
    {
      "form": "time averages",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "time-average",
      "tags": [
        "alternative"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "ensemble average"
    },
    {
      "word": "phase average"
    },
    {
      "word": "space average"
    }
  ],
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      "glosses": [
        "The average, if it exists, of a function over iterations of T, a measure-preserving transformation on a measure space, starting from some initial point x."
      ],
      "links": [
        [
          "ergodic theory",
          "ergodic theory"
        ],
        [
          "function",
          "function"
        ],
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          "iteration",
          "iteration"
        ],
        [
          "measure space",
          "measure space"
        ]
      ],
      "qualifier": "ergodic theory",
      "raw_glosses": [
        "(ergodic theory) The average, if it exists, of a function over iterations of T, a measure-preserving transformation on a measure space, starting from some initial point x."
      ]
    }
  ],
  "word": "time average"
}