complex quantity

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Noun1.complex quantity - (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
number - 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 sign
real, real number - any rational or irrational number
pure imaginary number - an imaginary number of the form a+bi where a is 0
imaginary 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.
References in periodicals archive ?
The effective magnetic susceptibility is a complex quantity because there is a phase shift between the electrical field induced by the ac magnetic field and the eddy currents in the sample.
Briefly speaking, it is a plot of a complex quantity z (or its complex conjugate, depending on the definition) on the complex plane, where complex permittivity, compliance, and impedance are often chosen as z.
The complex quantity [beta] = [beta]' + i[beta]" is the longitudinal wave number, or the propagation constant.

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