- (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 reference axis of a three-dimensional Cartesian coordinate system along which the z- coordinate is measured
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- One of the three axes of a three-dimensional Cartesian coordinate system.
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