The x-axis
Chat with our AI personalities
Horizontal axis.
The combination of a horizontal axis and a vertical axis is called a Cartesian coordinate system, or in short, a graph.
It is the abscissa.
The word abscissa can either refer the horizontal axis (the x-axis) in a cartesian coordinate system or the actual coordinate plotted on the horizontal axis.
It was invented by rene desCARTES and therefore named after him. It was named after him from his latin name, Renatus Cartesius.