"nonreturn" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "non",
        "3": "return"
      },
      "expansion": "non- + return",
      "name": "prefix"
    }
  ],
  "etymology_text": "non- + return",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "nonreturn (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "31 69",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "36 64",
          "kind": "other",
          "name": "English terms prefixed with non-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Absence of return; failure to come back or bring back."
      ],
      "id": "en-nonreturn-en-noun-5P9xpb5V",
      "links": [
        [
          "return",
          "return"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "non-return"
    }
  ],
  "word": "nonreturn"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "non",
        "3": "return"
      },
      "expansion": "non- + return",
      "name": "prefix"
    }
  ],
  "etymology_text": "non- + return",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "nonreturn (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "allowing air or liquid to travel in one direction only, and not permitting its return. (of a valve)"
      ],
      "id": "en-nonreturn-en-adj-feRrq-kl",
      "links": [
        [
          "allow",
          "allow"
        ],
        [
          "air",
          "air"
        ],
        [
          "liquid",
          "liquid"
        ],
        [
          "travel",
          "travel"
        ],
        [
          "direction",
          "direction"
        ],
        [
          "permit",
          "permit"
        ],
        [
          "return",
          "return"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "non-return"
    }
  ],
  "word": "nonreturn"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with non-",
    "English uncomparable adjectives",
    "English uncountable nouns"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "non",
        "3": "return"
      },
      "expansion": "non- + return",
      "name": "prefix"
    }
  ],
  "etymology_text": "non- + return",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "nonreturn (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Absence of return; failure to come back or bring back."
      ],
      "links": [
        [
          "return",
          "return"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "non-return"
    }
  ],
  "word": "nonreturn"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with non-",
    "English uncomparable adjectives",
    "English uncountable nouns"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "non",
        "3": "return"
      },
      "expansion": "non- + return",
      "name": "prefix"
    }
  ],
  "etymology_text": "non- + return",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "nonreturn (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "allowing air or liquid to travel in one direction only, and not permitting its return. (of a valve)"
      ],
      "links": [
        [
          "allow",
          "allow"
        ],
        [
          "air",
          "air"
        ],
        [
          "liquid",
          "liquid"
        ],
        [
          "travel",
          "travel"
        ],
        [
          "direction",
          "direction"
        ],
        [
          "permit",
          "permit"
        ],
        [
          "return",
          "return"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "non-return"
    }
  ],
  "word": "nonreturn"
}