Definitions for imaginary number

This page provides all possible meanings and translations of the word imaginary number

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. complex number, complex quantity, imaginary number, imaginary(noun)

    (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1

WiktionaryRate this definition:(0.00 / 0 votes)

  1. imaginary number(Noun)

    A number of the form ai, where a is a real number and i the imaginary unit

FreebaseRate this definition:(0.00 / 0 votes)

  1. Imaginary number

    An imaginary number is a number that can be written as a real number multiplied by the imaginary unit, which is defined by its property . An imaginary number has a negative or zero square. For example, is an imaginary number, and its square is . An imaginary number can be added to a real number to form a complex number of the form, where and are called, respectively, the real part and the imaginary part of the complex number. Imaginary numbers can therefore be thought of as complex numbers whose real part is zero. The name "imaginary number" was coined in the 17th century as a derogatory term, as such numbers were regarded by some as fictitious or useless, but today they have a variety of essential, concrete applications in science and engineering.

Translations for imaginary number

From our Multilingual Translation Dictionary

Get even more translations for imaginary number »


Find a translation for the imaginary number definition in other languages:

Select another language:

Discuss these imaginary number definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:     


Use the citation below to add this definition to your bibliography:


"imaginary number." STANDS4 LLC, 2015. Web. 1 Apr. 2015. < number>.

Are we missing a good definition for imaginary number? Don't keep it to yourself...

The Web's Largest Resource for

Definitions & Translations

A Member Of The STANDS4 Network

Nearby & related entries:

Alternative searches for imaginary number:

Thanks for your vote! We truly appreciate your support.