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real axis

American  
[ree-uhl ak-sis, reel] / ˈri əl ˈæk sɪs, ril /

noun

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


Etymology

Origin of real axis

First recorded in 1830–35

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.

“There will be a little bit of moisture from that, and the real axis is split between the Northwest, Southern California and parts of Baja California.”

From Los Angeles Times • Jan. 19, 2024

What if the set doesn’t come in one convenient piece like the interval between 0 and 1 and it’s a collection of points scattered randomly about the real axis?

From Scientific American • Oct. 14, 2018

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

From Textbooks • Feb. 13, 2015

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

From Textbooks • Feb. 13, 2015

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