"lax vowel" meaning in English

{
  "antonyms": [
    {
      "word": "tense vowel"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "lax",
        "3": "vowel"
      },
      "expansion": "lax + vowel",
      "name": "compound"
    }
  ],
  "etymology_text": "Compound of lax + vowel.",
  "forms": [
    {
      "form": "lax vowels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lax vowel (plural lax vowels)",
      "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": "Phonetics",
          "orig": "en:Phonetics",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2001, Michael Dobrovolsky, “Phonetics: The Sounds of Language”, in William O'Grady, John Archibald, Mark Aronoff, Janie Rees-Miller, editors, Contemporary Linguistics, page 35",
          "text": "Some vowels in English are made with roughly the same tongue position as the tense vowels, but with less constricted articulation; they are called lax vowels.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A vowel produced with relatively little constriction of the vocal tract."
      ],
      "id": "en-lax_vowel-en-noun-S8zGGn0u",
      "links": [
        [
          "phonetics",
          "phonetics"
        ],
        [
          "vowel",
          "vowel"
        ],
        [
          "constriction",
          "constriction"
        ],
        [
          "vocal tract",
          "vocal tract"
        ]
      ],
      "raw_glosses": [
        "(phonetics) A vowel produced with relatively little constriction of the vocal tract."
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "phonetics",
        "phonology",
        "sciences"
      ],
      "wikipedia": [
        "Tense and lax vowels"
      ]
    }
  ],
  "word": "lax vowel"
}

{
  "antonyms": [
    {
      "word": "tense vowel"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "lax",
        "3": "vowel"
      },
      "expansion": "lax + vowel",
      "name": "compound"
    }
  ],
  "etymology_text": "Compound of lax + vowel.",
  "forms": [
    {
      "form": "lax vowels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lax vowel (plural lax vowels)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "en:Phonetics"
      ],
      "examples": [
        {
          "ref": "2001, Michael Dobrovolsky, “Phonetics: The Sounds of Language”, in William O'Grady, John Archibald, Mark Aronoff, Janie Rees-Miller, editors, Contemporary Linguistics, page 35",
          "text": "Some vowels in English are made with roughly the same tongue position as the tense vowels, but with less constricted articulation; they are called lax vowels.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A vowel produced with relatively little constriction of the vocal tract."
      ],
      "links": [
        [
          "phonetics",
          "phonetics"
        ],
        [
          "vowel",
          "vowel"
        ],
        [
          "constriction",
          "constriction"
        ],
        [
          "vocal tract",
          "vocal tract"
        ]
      ],
      "raw_glosses": [
        "(phonetics) A vowel produced with relatively little constriction of the vocal tract."
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "phonetics",
        "phonology",
        "sciences"
      ],
      "wikipedia": [
        "Tense and lax vowels"
      ]
    }
  ],
  "word": "lax vowel"
}