Meaning & use
x-coordinate
The horizontal position of a point on a graph, showing its distance from the vertical y-axis.
See it in a sentence
The point (4, 7) has an x-coordinate of four and a y-coordinate of seven.
To plot the point, first move along the x-coordinate, then up along the y-axis.
A note on using this word
On a standard coordinate plane, the x-coordinate is always listed first inside the parentheses, before the y-coordinate.
Words with a similar meaning
abscissa
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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