"unsteadying" meaning in English

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  "lang_code": "en",
  "pos": "verb",
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          "ref": "1944 May and June, “Notes and News: Tank Engine Stability”, in Railway Magazine, page 185:",
          "text": "A correspondent suggested that the superior riding qualities of the latter were due to the absence of piston-valve chests above the cylinders, which made it possible to bring the underside of the water-tanks to a lower level than that of the \"Rivers\", so minimising the unsteadying effect of water surging in the tanks.",
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      "form_of": [
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        "present participle and gerund of unsteady"
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          "unsteady#English"
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  "word": "unsteadying"
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  "lang_code": "en",
  "pos": "verb",
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          "ref": "1944 May and June, “Notes and News: Tank Engine Stability”, in Railway Magazine, page 185:",
          "text": "A correspondent suggested that the superior riding qualities of the latter were due to the absence of piston-valve chests above the cylinders, which made it possible to bring the underside of the water-tanks to a lower level than that of the \"Rivers\", so minimising the unsteadying effect of water surging in the tanks.",
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          "unsteady#English"
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  "word": "unsteadying"
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