x-axis
Americannoun
-
x-axes
plural
-
Also called axis of abscissas. (in a plane Cartesian coordinate system) the axis, usually horizontal, along which the abscissa is measured and from which the ordinate is measured.
-
(in a three-dimensional Cartesian coordinate system) the axis along which values of x are measured and at which both y and z equal zero.
noun
-
The horizontal axis of a two-dimensional Cartesian coordinate system.
-
One of the three axes of a three-dimensional Cartesian coordinate system.
Other Word Forms
Noun Inflected Forms
Etymology
Origin of x-axis
First recorded in 1925–30
Compare meaning
How does x-axis compare to similar and commonly confused words? Explore the most common comparisons:
Vocabulary lists containing x-axis
Expressions and Equations
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Geometry - Introductory
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Geometry - Middle School
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
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.
Yes, provided the two points are either both above the x-axis or both below the x-axis and have different x- coordinates.
From Textbooks ● Sep. 23, 2020
Also, since the point is below the x-axis.
From Textbooks ● Sep. 23, 2020
The reflection about the x-axis, is shown on the left side of Figure 10, and the reflection about the y-axis is shown on the right side of Figure 10.
From Textbooks ● Sep. 23, 2020
To construct a frequency polygon, first examine the data and decide on the number of intervals and resulting interval size, for both the x-axis and y-axis.
From Textbooks ● Mar. 27, 2020
The angle between i and the x-axis is 90 degrees.
From "Zero: The Biography of a Dangerous Idea" by Charles Seife
Random Word
Spin the wheel and learn a new word!
Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
