"monocities" meaning in English

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          "ref": "2009 March 17, Kathryn Hopkins, “Moscow starts to shut up shop”, in The Guardian:",
          "text": "Russia has many so-called monocities, where most of the town's population is employed by one industry such as car production or commodities output.",
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      "form_of": [
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      "glosses": [
        "plural of monocity"
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  "word": "monocities"
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          "ref": "2009 March 17, Kathryn Hopkins, “Moscow starts to shut up shop”, in The Guardian:",
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      "form_of": [
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        "plural of monocity"
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