complex number

noun

A number of the form a + bi, where a and b are real numbers and i denotes the imaginary unit.

Similar
complex quantityimaginary numberimaginary
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Meanings

nouncomplex number (plural complex numbers)

plural complex numbers

  1. complex analysisA number of the form a + bi, where a and b are real numbers and i denotes the imaginary unit.

Synonyms & antonyms

noun(mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1

Similar
complex quantityimaginary numberimaginary
Broader
number
Also see
imaginaryimaginary number

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Afrikaans komplekse getal
  • komplekse getalnumber of the form a + bi
Arabic عَدَد عَقَدِيّّ, عَدَد مُرَكِّب
  • عَدَد عَقَدِيّّnumber of the form a + bi
  • عَدَد مُرَكِّب (ʕadad murakkib)number of the form a + bi
Bulgarian компле́ксно число́
  • компле́ксно число́ (kompléksno čisló)number of the form a + bi
Catalan nombre complex
  • nombre complexnumber of the form a + bi
Chinese Mandarin 複數 /复数
  • 複數 /复数 (fùshù)number of the form a + bi
Czech komplexní číslo
  • komplexní číslonumber of the form a + bi
Danish komplekst tal
  • komplekst talnumber of the form a + bi
Dutch complex getal
  • complex getalnumber of the form a + bi
Esperanto kompleksa nombro
  • kompleksa nombronumber of the form a + bi
Estonian kompleksarv
  • kompleksarvnumber of the form a + bi
Finnish kompleksiluku
  • kompleksilukunumber of the form a + bi
French nombre complexe
  • nombre complexenumber of the form a + bi
German komplexe Zahl
  • komplexe Zahlnumber of the form a + bi
Greek μιγαδικός αριθμός
  • μιγαδικός αριθμός (migadikós arithmós)number of the form a + bi
Hebrew מספר מרוכב
  • מספר מרוכבnumber of the form a + bi
Hindi सम्मिश्र संख्या
  • सम्मिश्र संख्या (sammiśra saṅkhyā)number of the form a + bi
Hungarian komplex szám
  • komplex számnumber of the form a + bi
Icelandic tvinntala
  • tvinntalanumber of the form a + bi
Indonesian bilangan kompleks
  • bilangan kompleksnumber of the form a + bi
Italian numero complesso
  • numero complessonumber of the form a + bi
Japanese 複素数
  • 複素数 (fukusosū)number of the form a + bi
Korean 복소수
  • 복소수 (boksosu)number of the form a + bi
Malay nombor kompleks
  • nombor kompleksnumber of the form a + bi
Māori tau hiato, tau matatini
  • tau hiatonumber of the form a + bi
  • tau matatininumber of the form a + bi
Norwegian Bokmål komplekst tall
  • komplekst tallnumber of the form a + bi
Polish liczba zespolona
  • liczba zespolonanumber of the form a + bi
Portuguese número complexo
  • número complexonumber of the form a + bi
Romanian număr complex
  • număr complexnumber of the form a + bi
Russian ко́мплексное число́, компле́ксное число́
  • ко́мплексное число́ (kómpleksnoje čisló)number of the form a + bi
  • компле́ксное число́ (kompléksnoje čisló)number of the form a + bi
Spanish número complejo
  • número complejonumber of the form a + bi
Swedish komplext tal
  • komplext talnumber of the form a + bi
Tagalog bilang na hugnay
  • bilang na hugnaynumber of the form a + bi
Thai จำนวนเชิงซ้อน
  • จำนวนเชิงซ้อน (jam nuan cherng són)number of the form a + bi
Turkish karmaşık sayı, kompleks sayı
  • karmaşık sayınumber of the form a + bi
  • kompleks sayınumber of the form a + bi
Vietnamese số phức
  • số phứcnumber of the form a + bi
Cite this entry
APA

complex number. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/complex%20number

MLA

“complex number.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/complex%20number. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “complex number,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/complex%20number.

Source: complex number on Wiktionary, CC BY-SA 4.0.