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

Definitions:

  1. A line on a graph that is drawn from bottom o top. copy to clipboard NOUN
  2. A vertical line on a graph that shows the location of an object in the 'y' or vertical direction. copy to clipboard NOUN
    • Annual profits over the last 10 years are plotted on the y-axis. copy to clipboard
  3. Similar to a vertical ruler. copy to clipboard NOUN
    • A line is defined by its gradient and intercept, the point at which the line crosses the y-axis. copy to clipboard
  4. The starting point for measuring how far a point is to the right or left (horizontally) on a graph. copy to clipboard NOUN
    • The y-axis points will usually be some function of the x-axis array. copy to clipboard

Synonyms: