X
x-axis
In a coordinate grid or graph, the horizontal axis. The axis that extends from left to right. (See also horizontal axis.)
![image placeholder](/img/g5/glossary/G5V2_GLO_X01.png)
pages 249–254, 255–270, 271–273, 276–277
Y
y-axis
In a coordinate grid or graph, the vertical axis. It is perpendicular to the x-axis. (See also vertical axis.)
![image placeholder](/img/g5/glossary/G5V2_GLO_Y01.png)
pages 249–254, 255–270, 271–273, 276–277
Z
There are no glossary terms that begin with this letter.