"downsprue" meaning in English

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  "etymology_text": "From down- + sprue.",
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    {
      "form": "downsprues",
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          "ref": "2008, George Goodrich, “Warped Castings”, in Casting Defects Handbook: Iron & Steel, Schaumburg, I.L.: American Foundry Society, →ISBN, page 224:",
          "text": "• Flask tie bars located too close to risers and downsprues",
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      "glosses": [
        "Synonym of sprue (“a channel through which molten metal is poured into the mold during the casting process”)"
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        "(metallurgy) Synonym of sprue (“a channel through which molten metal is poured into the mold during the casting process”)"
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          "word": "sprue"
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        "engineering",
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        "physical-sciences"
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  "word": "downsprue"
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  "etymology_text": "From down- + sprue.",
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        "(metallurgy) Synonym of sprue (“a channel through which molten metal is poured into the mold during the casting process”)"
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