"compact cassette" meaning in English

{
  "forms": [
    {
      "form": "compact cassettes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "compact cassette (plural compact cassettes)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Sound engineering",
          "orig": "en:Sound engineering",
          "parents": [
            "Engineering",
            "Sound",
            "Applied sciences",
            "Technology",
            "Energy",
            "Sciences",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The standard cassette tape format introduced in 1963 by Philips; an audio cassette."
      ],
      "id": "en-compact_cassette-en-noun-NE67vfxQ",
      "links": [
        [
          "sound engineering",
          "sound engineering"
        ],
        [
          "cassette tape",
          "cassette tape"
        ]
      ],
      "qualifier": "sound engineering",
      "raw_glosses": [
        "(sound engineering) The standard cassette tape format introduced in 1963 by Philips; an audio cassette."
      ],
      "related": [
        {
          "alt": "DAT",
          "word": "Digital Audio Tape"
        },
        {
          "word": "video cassette"
        },
        {
          "word": "tape deck"
        },
        {
          "word": "autoreverse"
        },
        {
          "word": "A-side"
        }
      ],
      "synonyms": [
        {
          "english": "Compact Cassette",
          "word": "cassette tape {now synonymous with the original name"
        },
        {
          "word": "although originally there were competing cassette tape standards}"
        },
        {
          "word": "Compact Audio Cassette"
        },
        {
          "word": "music cassette {pre-recorded cassette"
        },
        {
          "word": "also known as Music-Cassettes"
        },
        {
          "word": "and later just Musicassettes"
        },
        {
          "sense": "audio cassette or (frequently) simply",
          "word": "cassette"
        },
        {
          "sense": "M.C. for short",
          "word": "}"
        }
      ]
    }
  ],
  "word": "compact cassette"
}

{
  "forms": [
    {
      "form": "compact cassettes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "compact cassette (plural compact cassettes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "alt": "DAT",
      "word": "Digital Audio Tape"
    },
    {
      "word": "video cassette"
    },
    {
      "word": "tape deck"
    },
    {
      "word": "autoreverse"
    },
    {
      "word": "A-side"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Sound engineering"
      ],
      "glosses": [
        "The standard cassette tape format introduced in 1963 by Philips; an audio cassette."
      ],
      "links": [
        [
          "sound engineering",
          "sound engineering"
        ],
        [
          "cassette tape",
          "cassette tape"
        ]
      ],
      "qualifier": "sound engineering",
      "raw_glosses": [
        "(sound engineering) The standard cassette tape format introduced in 1963 by Philips; an audio cassette."
      ]
    }
  ],
  "synonyms": [
    {
      "english": "Compact Cassette",
      "word": "cassette tape {now synonymous with the original name"
    },
    {
      "word": "although originally there were competing cassette tape standards}"
    },
    {
      "sense": "audio cassette or (frequently) simply",
      "word": "cassette"
    },
    {
      "word": "Compact Audio Cassette"
    },
    {
      "word": "music cassette {pre-recorded cassette"
    },
    {
      "word": "also known as Music-Cassettes"
    },
    {
      "word": "and later just Musicassettes"
    },
    {
      "sense": "M.C. for short",
      "word": "}"
    }
  ],
  "word": "compact cassette"
}