YAXIS

Vertical reference line on a graph

• Algebraic reference line

• Cartesian line

• Geometric vertical

• Graph component

• Graph line

• Graph part

• Graph vertical

• How height may be measured

• It goes up and down

• Line on a plane

• Part of a plane

• Plane part

• Plotter's line, perhaps

• Side of a Cartesian quadrant

• Vertical graph component

• Vertical graph line

• Vertical line on a graph

• Vertical number line, in geometry