"mastering" meaning in English

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "audio mastering"
    },
    {
      "_dis1": "0 0",
      "word": "bus mastering"
    },
    {
      "_dis1": "0 0",
      "word": "Dungeon Mastering"
    },
    {
      "_dis1": "0 0",
      "word": "game mastering"
    }
  ],
  "forms": [
    {
      "form": "masterings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mastering (plural masterings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Becoming professional in the use of something; having mastery of."
      ],
      "id": "en-mastering-en-noun-M7ArCY76"
    },
    {
      "categories": [],
      "examples": [
        {
          "ref": "2007, Alan Blyth, Choral Music on Record, page 263",
          "text": "In considering this whole roster of performances on record, the technical proficiency of the latest ones is unbrookable, and so is the dazzling clarity of the modern digital masterings […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The process by which an audio recording is mastered."
      ],
      "id": "en-mastering-en-noun-U8uRVBpB",
      "translations": [
        {
          "_dis1": "13 87",
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "Bewältigung"
        },
        {
          "_dis1": "13 87",
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "Meisterung"
        }
      ]
    }
  ],
  "word": "mastering"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "mastering",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "4 22 74",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "word": "master"
        }
      ],
      "glosses": [
        "present participle and gerund of master"
      ],
      "id": "en-mastering-en-verb-35AFMBwZ",
      "links": [
        [
          "master",
          "master#English"
        ]
      ],
      "tags": [
        "form-of",
        "gerund",
        "participle",
        "present"
      ]
    }
  ],
  "word": "mastering"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English non-lemma forms",
    "English nouns",
    "English verb forms",
    "Translation table header lacks gloss"
  ],
  "derived": [
    {
      "word": "audio mastering"
    },
    {
      "word": "bus mastering"
    },
    {
      "word": "Dungeon Mastering"
    },
    {
      "word": "game mastering"
    }
  ],
  "forms": [
    {
      "form": "masterings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mastering (plural masterings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Becoming professional in the use of something; having mastery of."
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2007, Alan Blyth, Choral Music on Record, page 263",
          "text": "In considering this whole roster of performances on record, the technical proficiency of the latest ones is unbrookable, and so is the dazzling clarity of the modern digital masterings […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The process by which an audio recording is mastered."
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "Bewältigung"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "Meisterung"
    }
  ],
  "word": "mastering"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English non-lemma forms",
    "English nouns",
    "English verb forms",
    "Translation table header lacks gloss"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb form"
      },
      "expansion": "mastering",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "master"
        }
      ],
      "glosses": [
        "present participle and gerund of master"
      ],
      "links": [
        [
          "master",
          "master#English"
        ]
      ],
      "tags": [
        "form-of",
        "gerund",
        "participle",
        "present"
      ]
    }
  ],
  "word": "mastering"
}