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imaginary axis

American  
[ih-maj-uh-ner-ee ak-sis] / ɪˈmædʒ əˌnɛr i ˈæk sɪs /

noun

Mathematics.
  1. the vertical axis in an Argand diagram.


Etymology

Origin of imaginary axis

First recorded in 1700–05


Example Sentences

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Label the x-axis as the real axis and the y-axis as the imaginary axis.

From Textbooks ● Feb. 13, 2015

The horizontal axis is the real axis, and the vertical axis is the imaginary axis.

From Textbooks ● Feb. 13, 2015

We have seen that the earth rotates upon its imaginary axis once in about every twenty-four hours.

From Astronomy of To-day A Popular Introduction in Non-Technical Language by Cecil Goodrich Julius Dolmage

The axis Ox is often called the real axis, and the axis Oy the imaginary axis.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

The column of light is not the Milky Way—which is neither straight, nor like a rainbow—but the imaginary axis of the earth.

From The Republic by Benjamin Jowett

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