What is the meaning of the word "x-axis"?

Definitions:

  1. One of the two primary axes in a two-dimensional coordinate system. copy to clipboard NOUN
    • The geometry problem involved finding the coordinates where the line intersected with the x-axis, requiring students to solve for when y equals zero. copy to clipboard
  2. Typically represents the horizontal line and is used to define a point's position along the horizontal dimension of the plane. copy to clipboard NOUN
    • In the company's quarterly sales report, the months of the year were labeled along the x-axis, clearly showing sales trends over time. copy to clipboard

Synonyms: