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# complex number

noun
(mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1 (Freq. 3)
Topics: ↑mathematics, ↑math, ↑maths
Hypernyms: ↑number

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noun or complex quantity
: a number or expression of the form a+bi, where a and b are real numbers and i=√‒̅1

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a mathematical expression (a + bi) in which a and b are real numbers and i2 = -1.
[1825-35]

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complex number noun
The sum of a real and an imaginary number
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Main Entry:complex

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complex number,
the sum of a real number and an imaginary number.

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ˌcomplex ˈnumber 7 [complex number] (mathematics)
a number containing both a ↑real number and an ↑imaginary number

Useful english dictionary. 2012.

### Look at other dictionaries:

• Complex number — Complex Com plex (k[o^]m pl[e^]ks), a. [L. complexus, p. p. of complecti to entwine around, comprise; com + plectere to twist, akin to plicare to fold. See {Plait}, n.] 1. Composed of two or more parts; composite; not simple; as, a complex being; …   The Collaborative International Dictionary of English

• complex number — n. any number expressed as a + bi, where a and b are real numbers and i is the imaginary unit, √P1: if b is zero it is a real number, but if b is not zero it is an imaginary number …   English World dictionary

• complex number — ► NOUN Mathematics ▪ a number containing both a real and an imaginary part …   English terms dictionary

• Complex number — A complex number can be visually represented as a pair of numbers forming a vector on a diagram called an Argand diagram, representing the complex plane. Re is the real axis, Im is the imaginary axis, and i is the square root of –1. A complex… …   Wikipedia

• complex number — a mathematical expression (a + bi) in which a and b are real numbers and i2 = 1. [1825 35] * * * Any number consisting of both real numbers and imaginary numbers. It has the form a + bi, where a and b are real numbers and i = 1; a is called the… …   Universalium

• complex number — kompleksinis skaičius statusas T sritis informatika apibrėžtis Skaičius, išreiškiamas tokia forma: a + bi, kur a ir b yra realieji skaičiai, o i yra šaknis iš 1 ir vadinama menamąja dalimi. Kompleksiniai skaičiai gali būti pavaizduojami taškais… …   Enciklopedinis kompiuterijos žodynas

• complex number — number which is a combination of real and imaginary numbers, non concrete numbers (Mathematics) …   English contemporary dictionary

• complex number — noun Date: 1856 a number of the form a + b √ 1 where a and b are real numbers …   New Collegiate Dictionary

• complex number — noun A number of the form a + bi, where a and b are real numbers and i = minus;1 …   Wiktionary

• complex number — See number …   Philosophy dictionary