"IV" meaning in English

See IV in All languages combined, or Wiktionary

Adjective

IPA: /ˌaɪ ˈviː/
Head templates: {{en-adj|-}} IV (not comparable)
  1. (medicine) Abbreviation of intravenous. Tags: abbreviation, alt-of, not-comparable Alternative form of: intravenous Related terms: i.v. [alternative]
    Sense id: en-IV-en-adj-iVN9Cho0 Categories (other): Medicine Topics: medicine, sciences

Noun

IPA: /ˌaɪ ˈviː/ Forms: IVs [plural]
Head templates: {{en-noun|~}} IV (countable and uncountable, plural IVs)
  1. (medicine) Initialism of intravenous injection. Tags: abbreviation, alt-of, countable, initialism, uncountable Alternative form of: intravenous injection
    Sense id: en-IV-en-noun-ieGhBmxn Categories (other): Medicine Topics: medicine, sciences
  2. (cryptography) Initialism of initialization vector. Tags: abbreviation, alt-of, countable, initialism, uncountable Alternative form of: initialization vector
    Sense id: en-IV-en-noun-jjr37zIU Categories (other): Cryptography Topics: computing, cryptography, engineering, mathematics, natural-sciences, physical-sciences, sciences
  3. (statistics) Initialism of instrumental variable. Tags: abbreviation, alt-of, countable, initialism, uncountable Alternative form of: instrumental variable
    Sense id: en-IV-en-noun-9f4IWzg3 Categories (other): Statistics Topics: mathematics, sciences, statistics
  4. Initialism of immigrant visa. Tags: abbreviation, alt-of, countable, initialism, uncountable Alternative form of: immigrant visa
    Sense id: en-IV-en-noun-d4D4JVBO
  5. (chemistry) Initialism of iodine value Tags: abbreviation, alt-of, countable, initialism, uncountable Alternative form of: iodine value
    Sense id: en-IV-en-noun-lCOw65We Categories (other): Chemistry, English entries with incorrect language header Disambiguation of English entries with incorrect language header: 12 3 16 4 3 63 Topics: chemistry, natural-sciences, physical-sciences

Inflected forms

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "IV (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "intravenous"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of intravenous."
      ],
      "id": "en-IV-en-adj-iVN9Cho0",
      "links": [
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          "medicine",
          "medicine"
        ],
        [
          "intravenous",
          "intravenous#English"
        ]
      ],
      "raw_glosses": [
        "(medicine) Abbreviation of intravenous."
      ],
      "related": [
        {
          "tags": [
            "alternative"
          ],
          "word": "i.v."
        }
      ],
      "tags": [
        "abbreviation",
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        "not-comparable"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌaɪ ˈviː/"
    }
  ],
  "word": "IV"
}

{
  "forms": [
    {
      "form": "IVs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
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      "expansion": "IV (countable and uncountable, plural IVs)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "intravenous injection"
        }
      ],
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        }
      ],
      "glosses": [
        "Initialism of intravenous injection."
      ],
      "id": "en-IV-en-noun-ieGhBmxn",
      "links": [
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        ],
        [
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        ],
        [
          "injection",
          "injection#English"
        ]
      ],
      "raw_glosses": [
        "(medicine) Initialism of intravenous injection."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "countable",
        "initialism",
        "uncountable"
      ],
      "topics": [
        "medicine",
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      ]
    },
    {
      "alt_of": [
        {
          "word": "initialization vector"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Cryptography",
          "orig": "en:Cryptography",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of initialization vector."
      ],
      "id": "en-IV-en-noun-jjr37zIU",
      "links": [
        [
          "cryptography",
          "cryptography"
        ],
        [
          "initialization",
          "initialization#English"
        ],
        [
          "vector",
          "vector#English"
        ]
      ],
      "raw_glosses": [
        "(cryptography) Initialism of initialization vector."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
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      ],
      "topics": [
        "computing",
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        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "alt_of": [
        {
          "word": "instrumental variable"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Statistics",
          "orig": "en:Statistics",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of instrumental variable."
      ],
      "id": "en-IV-en-noun-9f4IWzg3",
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "instrumental variable",
          "instrumental variable#English"
        ]
      ],
      "raw_glosses": [
        "(statistics) Initialism of instrumental variable."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
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        "initialism",
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      ],
      "topics": [
        "mathematics",
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      ]
    },
    {
      "alt_of": [
        {
          "word": "immigrant visa"
        }
      ],
      "categories": [],
      "glosses": [
        "Initialism of immigrant visa."
      ],
      "id": "en-IV-en-noun-d4D4JVBO",
      "links": [
        [
          "immigrant",
          "immigrant#English"
        ],
        [
          "visa",
          "visa#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "countable",
        "initialism",
        "uncountable"
      ]
    },
    {
      "alt_of": [
        {
          "word": "iodine value"
        }
      ],
      "categories": [
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          "kind": "other",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "12 3 16 4 3 63",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Initialism of iodine value"
      ],
      "id": "en-IV-en-noun-lCOw65We",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "iodine value",
          "iodine value#English"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Initialism of iodine value"
      ],
      "tags": [
        "abbreviation",
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      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌaɪ ˈviː/"
    }
  ],
  "word": "IV"
}
{
  "categories": [
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    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English uncomparable adjectives",
    "English uncountable nouns",
    "Pages with 4 entries",
    "Pages with entries"
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  "head_templates": [
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  "lang_code": "en",
  "pos": "adj",
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    {
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          "word": "intravenous"
        }
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        "Abbreviation of intravenous."
      ],
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        "(medicine) Abbreviation of intravenous."
      ],
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          "tags": [
            "alternative"
          ],
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        }
      ],
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  "sounds": [
    {
      "ipa": "/ˌaɪ ˈviː/"
    }
  ],
  "word": "IV"
}

{
  "categories": [
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    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
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    "English uncomparable adjectives",
    "English uncountable nouns",
    "Pages with 4 entries",
    "Pages with entries"
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    }
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  "head_templates": [
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  "lang_code": "en",
  "pos": "noun",
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        "Initialism of intravenous injection."
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          "intravenous",
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        ],
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          "injection#English"
        ]
      ],
      "raw_glosses": [
        "(medicine) Initialism of intravenous injection."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "countable",
        "initialism",
        "uncountable"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    },
    {
      "alt_of": [
        {
          "word": "initialization vector"
        }
      ],
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        "en:Cryptography"
      ],
      "glosses": [
        "Initialism of initialization vector."
      ],
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        [
          "cryptography",
          "cryptography"
        ],
        [
          "initialization",
          "initialization#English"
        ],
        [
          "vector",
          "vector#English"
        ]
      ],
      "raw_glosses": [
        "(cryptography) Initialism of initialization vector."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
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        "initialism",
        "uncountable"
      ],
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        "cryptography",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    },
    {
      "alt_of": [
        {
          "word": "instrumental variable"
        }
      ],
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        "English initialisms",
        "en:Statistics"
      ],
      "glosses": [
        "Initialism of instrumental variable."
      ],
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          "statistics",
          "statistics"
        ],
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          "instrumental variable",
          "instrumental variable#English"
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      ],
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        "(statistics) Initialism of instrumental variable."
      ],
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      ],
      "topics": [
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      ]
    },
    {
      "alt_of": [
        {
          "word": "immigrant visa"
        }
      ],
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      ],
      "glosses": [
        "Initialism of immigrant visa."
      ],
      "links": [
        [
          "immigrant",
          "immigrant#English"
        ],
        [
          "visa",
          "visa#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "countable",
        "initialism",
        "uncountable"
      ]
    },
    {
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          "word": "iodine value"
        }
      ],
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        "Initialism of iodine value"
      ],
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          "iodine value",
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      ],
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        "(chemistry) Initialism of iodine value"
      ],
      "tags": [
        "abbreviation",
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      ],
      "topics": [
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        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌaɪ ˈviː/"
    }
  ],
  "word": "IV"
}

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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-01-19 from the enwiktionary dump dated 2026-01-01 using wiktextract (d1270d2 and 9905b1f). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.