X

x-axis

In a coordinate grid or graph, the horizontal axis. The axis that extends from left to right. (See also horizontal axis.)

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.)

pages 249–254, 255–270, 271–273, 276–277

Z

There are no glossary terms that begin with this letter.