- 1. complex number, complex quantity, imaginary number, imaginary, number
- usage: (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. fanciful, imaginary, notional, unreal (vs. real)
- usage: not based on fact; unreal; "the falsehood about some fanciful secret treaties"- F.D.Roosevelt; "a small child's imaginary friends"; "to create a notional world for oneself"
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See also: imaginary (Dictionary)