from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The horizontal axis of a two-dimensional Cartesian coordinate system.
- n. One of three axes in a three-dimensional Cartesian coordinate system.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The axis on a graph that is usually drawn left to right and usually shows the range of values of an independent variable.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the horizontal axis in a plane coordinate system
Sorry, no etymologies found.