"levomethadone" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "levo",
        "3": "methadone"
      },
      "expansion": "levo- + methadone",
      "name": "prefix"
    }
  ],
  "etymology_text": "From levo- + methadone.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "levomethadone (uncountable)",
      "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"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with levo-",
          "parents": [],
          "source": "w"
        },
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          "parents": [],
          "source": "w"
        },
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        }
      ],
      "glosses": [
        "the active enantiomer of methadone"
      ],
      "id": "en-levomethadone-en-noun-hEyn8AM1",
      "links": [
        [
          "active",
          "active"
        ],
        [
          "enantiomer",
          "enantiomer"
        ],
        [
          "methadone",
          "methadone"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "levomethadone"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "levo",
        "3": "methadone"
      },
      "expansion": "levo- + methadone",
      "name": "prefix"
    }
  ],
  "etymology_text": "From levo- + methadone.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "levomethadone (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with levo-",
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      ],
      "glosses": [
        "the active enantiomer of methadone"
      ],
      "links": [
        [
          "active",
          "active"
        ],
        [
          "enantiomer",
          "enantiomer"
        ],
        [
          "methadone",
          "methadone"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "levomethadone"
}