"superwash" meaning in English

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  "etymology_text": "From super- + wash, from a trademark of the 1970s.",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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          "ref": "2007, Amy Swenson, Not Your Mama's Felting: The Cool and Creative Way to Get it Together, page 12:",
          "text": "So, cotton, linen, superwash wool, and anything with nylon or acrylic or rayon or silk can instantly be ruled out for most projects.",
          "type": "quote"
        },
        {
          "ref": "2008, Kari Cornell, Jean Lampe, Retro Knits, page 63:",
          "text": "The set is a wonderful gift to make for a new baby, and if worked in superwash wool or a washable blend it's sure to get lots of wear.",
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      "glosses": [
        "Describing wool that has been treated to make it machine-washable."
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          "wool",
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          "machine-washable",
          "machine-washable#English"
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  "word": "superwash"
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  "etymology_text": "From super- + wash, from a trademark of the 1970s.",
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  "lang_code": "en",
  "pos": "adj",
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          "ref": "2007, Amy Swenson, Not Your Mama's Felting: The Cool and Creative Way to Get it Together, page 12:",
          "text": "So, cotton, linen, superwash wool, and anything with nylon or acrylic or rayon or silk can instantly be ruled out for most projects.",
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        },
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          "ref": "2008, Kari Cornell, Jean Lampe, Retro Knits, page 63:",
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        "Describing wool that has been treated to make it machine-washable."
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          "wool",
          "wool#English"
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          "machine-washable",
          "machine-washable#English"
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