# complex number

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Related to Imaginary plane: imaginary part, Imaginary axis, Argand plane

## complex number

n.
Any number of the form a + bi, where a and b are real numbers and i is an imaginary number whose square equals -1.

## complex number

n
(Mathematics) any number of the form a + ib, where a and b are real numbers and i = √–1. See number1
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

## com′plex num′ber

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

## com·plex number

(kŏm′plĕks′)
A number that can be expressed in terms of i (the square root of -1). Mathematically, such a number can be written a + bi, where a and b are real numbers. An example is 4 + 5i.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 complex number - (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangementnumber - a concept of quantity involving zero and units; "every number has a unique position in the sequence"complex conjugate - either of two complex numbers whose real parts are identical and whose imaginary parts differ only in signreal, real number - any rational or irrational numberpure imaginary number - an imaginary number of the form a+bi where a is 0imaginary part, imaginary part of a complex number - the part of a complex number that has the square root of -1 as a factor
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
komplexní číslo
kompleksa nombro
kompleksiluku
מספר מרוכב
kompleksni broj
komplex szám
tvinntala
numero complesso
복소수
komplekst tall
komplexa tal
karmaşık sayılar
References in periodicals archive ?
Brownies and Rainbows board their imaginary plane for an 'around the world' adventure...without leaving Thornaby 270214BROWNIES_01
Our least favorite is the one that awards a touchdown for merely putting the nose of the ball past the imaginary plane of the goal line.
plane to plane transformations with imaginary plane which represents boundary in measured space.
(c) Geometric interpretation, using a known theorem connecting geometry and imaginary plane. In turn, this leads us to 8-dimensional extended-Minkowski metric.

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