IV

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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) Initialism of intravenous.

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