"methylamphetamine" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "methyl",
        "3": "amphetamine"
      },
      "expansion": "methyl + amphetamine",
      "name": "compound"
    }
  ],
  "etymology_text": "From methyl + amphetamine.",
  "forms": [
    {
      "form": "methylamphetamines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "methylamphetamine (usually uncountable, plural methylamphetamines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "source": "w"
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          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2009 February 24, “Sophie sister drug charges”, in Herald Sun:",
          "text": "Catherine was arrested by Sydney police last July and has been charged with 14 offences, including supplying the drugs methylamphetamine, ketamine and GHB.",
          "type": "quote"
        }
      ],
      "glosses": [
        "methamphetamine"
      ],
      "id": "en-methylamphetamine-en-noun-AcBikd8q",
      "links": [
        [
          "methamphetamine",
          "methamphetamine"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "methylamphetamine"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "methyl",
        "3": "amphetamine"
      },
      "expansion": "methyl + amphetamine",
      "name": "compound"
    }
  ],
  "etymology_text": "From methyl + amphetamine.",
  "forms": [
    {
      "form": "methylamphetamines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "methylamphetamine (usually uncountable, plural methylamphetamines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
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        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
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      "examples": [
        {
          "ref": "2009 February 24, “Sophie sister drug charges”, in Herald Sun:",
          "text": "Catherine was arrested by Sydney police last July and has been charged with 14 offences, including supplying the drugs methylamphetamine, ketamine and GHB.",
          "type": "quote"
        }
      ],
      "glosses": [
        "methamphetamine"
      ],
      "links": [
        [
          "methamphetamine",
          "methamphetamine"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "methylamphetamine"
}