x-axis
noun
x-ax·is
ˈeks-ˌak-səs 
1
: the axis in a plane Cartesian coordinate system parallel to which abscissas are measured
2
: one of the three axes in a three-dimensional rectangular coordinate system
Examples of x-axis in a Sentence
Recent Examples on the Web
Soon, the application of some instrument oil, silicone grease, and Kimwipes had the x-axis and pen lifter working again.
—
Stephen Cass, IEEE Spectrum, 27 June 2025
Result: the murderer could only have been Person B, on the x-axis.
—Sarah Larson, The New Yorker, 21 Mar. 2025
There is a bar for each year on the x-axis whose length represents the average number of minutes change in time spent at home as compared to the same statistic in 2003.
—The Learning Network, New York Times, 9 Jan. 2025
Ride only the x-axis and, eventually, all the sprinting entrances and exits and panting, gasping line deliveries in the world won’t save you.
—Sara Holdren, Vulture, 14 Nov. 2024
Complex numbers can be plotted on a plane, with the real part on the x-axis and the imaginary part on the y-axis.
—Jordana Cepelewicz, WIRED, 4 Aug. 2024
That’s because the roots of a function occur where its graph crosses the horizontal line y=0 (the x-axis), and in general, those intersections aren’t symmetric about the cubic’s special point of symmetry.
—Patrick Honner, Quanta Magazine, 24 Mar. 2023
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Stephen Cass, IEEE Spectrum, 27 June 2025
Result: the murderer could only have been Person B, on the x-axis.
—Sarah Larson, The New Yorker, 21 Mar. 2025
There is a bar for each year on the x-axis whose length represents the average number of minutes change in time spent at home as compared to the same statistic in 2003.
—The Learning Network, New York Times, 9 Jan. 2025
Ride only the x-axis and, eventually, all the sprinting entrances and exits and panting, gasping line deliveries in the world won’t save you.
—Sara Holdren, Vulture, 14 Nov. 2024
Complex numbers can be plotted on a plane, with the real part on the x-axis and the imaginary part on the y-axis.
—Jordana Cepelewicz, WIRED, 4 Aug. 2024
That’s because the roots of a function occur where its graph crosses the horizontal line y=0 (the x-axis), and in general, those intersections aren’t symmetric about the cubic’s special point of symmetry.
—Patrick Honner, Quanta Magazine, 24 Mar. 2023
Cite this Entry
“X-axis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/x-axis. Accessed 8 Sep. 2025.
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