imaginary number


imaginary number

noun

Definition of IMAGINARY NUMBER

:  a complex number (as 2 + 3i) in which the coefficient of the imaginary unit is not zero —called also imaginary — compare pure imaginary

First Known Use of IMAGINARY NUMBER

circa 1911

imaginary number

noun    (Concise Encyclopedia)

Any number of the form bi where b is a real number, i is the square root of 1, and b is not zero. See also complex number.

Browse

Next Word in the Dictionary: imaginary part
Previous Word in the Dictionary: imaginary
All Words Near: imaginary number

Seen & Heard

What made you want to look up imaginary number? Please tell us where you read or heard it (including the quote, if possible).