"time standard" meaning in English

{
  "forms": [
    {
      "form": "time standards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "time standard (plural time standards)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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        }
      ],
      "derived": [
        {
          "word": "primary time standard"
        }
      ],
      "glosses": [
        "An agreed method of measuring time; a specification or standard of either the rate at which time passes, or of points in time, or of both."
      ],
      "id": "en-time_standard-en-noun-tQf0Qw4C",
      "links": [
        [
          "time",
          "time"
        ],
        [
          "specification",
          "specification"
        ],
        [
          "rate",
          "rate"
        ]
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "agreed method of measuring time",
          "word": "aikajärjestelmä"
        },
        {
          "code": "ka",
          "lang": "Georgian",
          "roman": "drois sṭandarṭi",
          "sense": "agreed method of measuring time",
          "word": "დროის სტანდარტი"
        }
      ],
      "wikipedia": [
        "time standard"
      ]
    }
  ],
  "word": "time standard"
}

{
  "derived": [
    {
      "word": "primary time standard"
    }
  ],
  "forms": [
    {
      "form": "time standards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "time standard (plural time standards)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English countable nouns",
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        "English nouns",
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        "Pages with 1 entry",
        "Pages with entries",
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      ],
      "glosses": [
        "An agreed method of measuring time; a specification or standard of either the rate at which time passes, or of points in time, or of both."
      ],
      "links": [
        [
          "time",
          "time"
        ],
        [
          "specification",
          "specification"
        ],
        [
          "rate",
          "rate"
        ]
      ],
      "wikipedia": [
        "time standard"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "agreed method of measuring time",
      "word": "aikajärjestelmä"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "drois sṭandarṭi",
      "sense": "agreed method of measuring time",
      "word": "დროის სტანდარტი"
    }
  ],
  "word": "time standard"
}