imaginary number

Fetched 2026-10-26 (cache).

Synonyms: imaginary numbers

Antonyms: imaginary numbers

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|complex analysis|strict sense}} A number of the form ''bi'', where ''b'' is any [[real number]] and ''i'' denotes the [[imaginary unit]].
2. {{lb|en|complex analysis|broad sense}} A number of the form ''a + bi'', where ''a'' and ''b'' are [[real number]]s and ''b'' is nonzero.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.