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complex number
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noun
a mathematical expression (a + bi) in which a and b are real numbers and i2 = −1.
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Origin of complex number
First recorded in 1825–35
Words nearby complex number
complexion, complexioned, complexionless, complexity, complexity theory, complex number, complexometric titration, complexometry, complexone, complex plane, complex salt
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use complex number in a sentence
British Dictionary definitions for complex number
complex number
noun
any number of the form a + i b, where a and b are real numbers and i = √–1See number (def. 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Scientific definitions for complex number
complex 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.
The American Heritage® Science Dictionary
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