"m.p." meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "?",
        "head": "m.p."
      },
      "expansion": "m.p.",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "melting point"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2008, Dr. David Steen, Philip R. Ashurst, editors, Carbonated Soft Drinks: Formulation and Manufacture, John Wiley & Sons, page 62",
          "text": "Malic acid is a crystalline white solid (m.p. 100°C) and is highly soluble in water.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Abbreviation of melting point."
      ],
      "id": "en-m.p.-en-noun-MGTR0-71",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "physics",
          "physics"
        ],
        [
          "melting point",
          "melting point#English"
        ]
      ],
      "raw_glosses": [
        "(chemistry, physics) Abbreviation of melting point."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "m.p."
}

{
  "head_templates": [
    {
      "args": {
        "1": "?",
        "head": "m.p."
      },
      "expansion": "m.p.",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "melting point"
        }
      ],
      "categories": [
        "English abbreviations",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with unknown or uncertain plurals",
        "English terms spelled with .",
        "English terms with quotations",
        "English terms with redundant head parameter",
        "English words without vowels",
        "Pages with 2 entries",
        "en:Chemistry",
        "en:Physics"
      ],
      "examples": [
        {
          "ref": "2008, Dr. David Steen, Philip R. Ashurst, editors, Carbonated Soft Drinks: Formulation and Manufacture, John Wiley & Sons, page 62",
          "text": "Malic acid is a crystalline white solid (m.p. 100°C) and is highly soluble in water.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Abbreviation of melting point."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "physics",
          "physics"
        ],
        [
          "melting point",
          "melting point#English"
        ]
      ],
      "raw_glosses": [
        "(chemistry, physics) Abbreviation of melting point."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "m.p."
}