"long vowel" meaning in English

{
  "forms": [
    {
      "form": "long vowels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "long vowel (plural long vowels)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A vowel which is normally pronounced somewhat longer than other vowels (usually around 1½ to 2½ times the length of a short vowel); represented in the IPA by the addition of a colon-like symbol (ː, triangular colon), such as /aː/."
      ],
      "id": "en-long_vowel-en-noun-M~B9HPVm",
      "links": [
        [
          "vowel",
          "vowel"
        ],
        [
          "IPA",
          "IPA"
        ],
        [
          "ː",
          "ː"
        ],
        [
          "triangular colon",
          "triangular colon"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "33 67",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "32 68",
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "29 71",
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "23 77",
          "kind": "topical",
          "langcode": "en",
          "name": "Phonetics",
          "orig": "en:Phonetics",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Any of the vowels or diphthongs resulting from the Great Vowel Shift's effect on Middle English's original long vowels, and best exhibited in the names of the vowel letters A, E, I, O, U. In American lexicography their pronunciation is indicated by a macron, as, ē."
      ],
      "id": "en-long_vowel-en-noun-~NM936~r",
      "links": [
        [
          "diphthong",
          "diphthong"
        ],
        [
          "Great Vowel Shift",
          "Great Vowel Shift"
        ],
        [
          "A",
          "A"
        ],
        [
          "E",
          "E"
        ],
        [
          "I",
          "I"
        ],
        [
          "O",
          "O"
        ],
        [
          "U",
          "U"
        ],
        [
          "macron",
          "macron"
        ]
      ],
      "raw_glosses": [
        "(English pronunciation) Any of the vowels or diphthongs resulting from the Great Vowel Shift's effect on Middle English's original long vowels, and best exhibited in the names of the vowel letters A, E, I, O, U. In American lexicography their pronunciation is indicated by a macron, as, ē."
      ],
      "related": [
        {
          "_dis1": "43 57",
          "word": "half-long vowel"
        },
        {
          "_dis1": "43 57",
          "word": "long-vowel mark"
        },
        {
          "_dis1": "43 57",
          "word": "overlong vowel"
        },
        {
          "_dis1": "43 57",
          "word": "short vowel"
        }
      ],
      "taxonomic": "English pronunciation"
    }
  ],
  "wikipedia": [
    "long vowel"
  ],
  "word": "long vowel"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English entries with topic categories using raw markup",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms with non-redundant non-automated sortkeys",
    "en:Phonetics"
  ],
  "forms": [
    {
      "form": "long vowels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "long vowel (plural long vowels)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "half-long vowel"
    },
    {
      "word": "long-vowel mark"
    },
    {
      "word": "overlong vowel"
    },
    {
      "word": "short vowel"
    }
  ],
  "senses": [
    {
      "glosses": [
        "A vowel which is normally pronounced somewhat longer than other vowels (usually around 1½ to 2½ times the length of a short vowel); represented in the IPA by the addition of a colon-like symbol (ː, triangular colon), such as /aː/."
      ],
      "links": [
        [
          "vowel",
          "vowel"
        ],
        [
          "IPA",
          "IPA"
        ],
        [
          "ː",
          "ː"
        ],
        [
          "triangular colon",
          "triangular colon"
        ]
      ]
    },
    {
      "glosses": [
        "Any of the vowels or diphthongs resulting from the Great Vowel Shift's effect on Middle English's original long vowels, and best exhibited in the names of the vowel letters A, E, I, O, U. In American lexicography their pronunciation is indicated by a macron, as, ē."
      ],
      "links": [
        [
          "diphthong",
          "diphthong"
        ],
        [
          "Great Vowel Shift",
          "Great Vowel Shift"
        ],
        [
          "A",
          "A"
        ],
        [
          "E",
          "E"
        ],
        [
          "I",
          "I"
        ],
        [
          "O",
          "O"
        ],
        [
          "U",
          "U"
        ],
        [
          "macron",
          "macron"
        ]
      ],
      "raw_glosses": [
        "(English pronunciation) Any of the vowels or diphthongs resulting from the Great Vowel Shift's effect on Middle English's original long vowels, and best exhibited in the names of the vowel letters A, E, I, O, U. In American lexicography their pronunciation is indicated by a macron, as, ē."
      ],
      "taxonomic": "English pronunciation"
    }
  ],
  "wikipedia": [
    "long vowel"
  ],
  "word": "long vowel"
}