- a hatchetlike tool for cutting and punching nail holes in roofing slate.
Origin of zax
dialectal variant of sax2
- (in a three-dimensional Cartesian coordinate system) the axis along which values of z are measured and at which both x and y equal zero.
Origin of z-axis
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a variant of sax 1
- a reference axis of a three-dimensional Cartesian coordinate system along which the z- coordinate is measured
- One of the three axes of a three-dimensional Cartesian coordinate system.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.