See also: iv, -iv, ív, and -ív

U+2163, Ⅳ
ROMAN NUMERAL FOUR

[U+2162]
Number Forms
[U+2164]

Translingual

edit

Alternative forms

edit

Etymology

edit

One (I) less than five (V)

Numeral

edit

IV

  1. A Roman numeral representing four (4).

Symbol

edit

IV

  1. Used to indicate an ordinal number; the fourth (common as a name suffix)
  2. (inorganic chemistry) Specifying an oxidation state of 4
  3. (music) major subdominant triad

English

edit

Pronunciation

edit

Adjective

edit

IV (not comparable)

  1. (medicine) Abbreviation of intravenous.
    Alternative form: i.v.

Noun

edit

IV (plural IVs)

  1. (medicine) Initialism of intravenous injection.
  2. (cryptography) Initialism of initialization vector.
  3. (statistics) Initialism of instrumental variable.
  4. Initialism of immigrant visa.

Anagrams

edit

Latin

edit

Etymology 1

edit

Proper noun

edit

IV

  1. Abbreviation of Iupiter (Jupiter).

Etymology 2

edit

Numeral

edit

IV

  1. 4