"R&M" meaning in English

{
  "head_templates": [
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "refining and marketing"
        }
      ],
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          "source": "w"
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Oil industry",
          "orig": "en:Oil industry",
          "parents": [
            "Industries",
            "Petroleum",
            "Business",
            "Fossil fuels",
            "Liquids",
            "Economics",
            "Society",
            "Carbon",
            "Energy",
            "Natural resources",
            "Matter",
            "Social sciences",
            "All topics",
            "Carbon group elements",
            "Nature",
            "Chemistry",
            "Sciences",
            "Fundamental",
            "Chemical elements"
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          "source": "w"
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      ],
      "glosses": [
        "Initialism of refining and marketing."
      ],
      "id": "en-R&M-en-noun-oq7TDmH3",
      "links": [
        [
          "refining",
          "refining#English"
        ],
        [
          "marketing",
          "marketing#English"
        ]
      ],
      "qualifier": "oil industry",
      "raw_glosses": [
        "(oil industry) Initialism of refining and marketing."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "uncountable"
      ]
    }
  ],
  "word": "R&M"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "R&M"
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      "expansion": "R&M (uncountable)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "refining and marketing"
        }
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        "English uncountable nouns",
        "English words without vowels",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Oil industry"
      ],
      "glosses": [
        "Initialism of refining and marketing."
      ],
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          "refining",
          "refining#English"
        ],
        [
          "marketing",
          "marketing#English"
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      ],
      "qualifier": "oil industry",
      "raw_glosses": [
        "(oil industry) Initialism of refining and marketing."
      ],
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  "word": "R&M"
}