"standard conditions" meaning in English

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  "lang_code": "en",
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      "examples": [
        {
          "text": "at standard conditions;   under standard conditions",
          "type": "example"
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        {
          "text": "Under standard conditions, diatomic fluorine is a toxic yellow gas.",
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        "Synonym of standard temperature and pressure."
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        "(sciences, engineering) Synonym of standard temperature and pressure."
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      "glosses": [
        "Used other than figuratively or idiomatically: see standard, conditions; e.g., standard terms and conditions."
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      "links": [
        [
          "standard",
          "standard#English"
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        [
          "conditions",
          "conditions#English"
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          "terms and conditions",
          "terms and conditions"
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  "word": "standard conditions"
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          "text": "at standard conditions;   under standard conditions",
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          "text": "Under standard conditions, diatomic fluorine is a toxic yellow gas.",
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        "(sciences, engineering) Synonym of standard temperature and pressure."
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        "Used other than figuratively or idiomatically: see standard, conditions; e.g., standard terms and conditions."
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          "conditions",
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