imaginary number

im·ag·i·nar·y num·ber

I i

Definitions of imaginary number words

noun imaginary number Also called imaginary, pure imaginary number. a complex number having its real part equal to zero. 1
noun imaginary number mathematics: number whose square is negative or zero 1
noun imaginary number any complex number of the form ib, where i = √–1 0
noun imaginary number a complex number in the form a + bi where b is not zero: when a is zero, it is a pure imaginary number 0

before 1905

One of the 15% newest English words

First recorded in 1905-10

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 2% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

This diagram is provided by Google Ngram Viewer

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