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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

Purkinje noticed that the position of the imaginary axis of rotation depends on the axis around which the head revolves.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" 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

The line for which λ is real, positive and less than unity corresponds to the imaginary axis of the τ-plane, lying in the interior of the fundamental region.

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

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