z-axis

[ zee-ak-sis ]
/ ˈziˌæk sɪs /

noun, plural z-ax·es [zee-ak-seez] /ˈziˌæk siz/. Mathematics.

(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.

QUIZZES

CHALLENGE YOURSELF WITH THESE WORDS FROM "LITTLE WOMEN"

"Little Women" may be a classic, but that doesn't mean we all know the meanings of the vocab words from the book. Can you define these words correctly and make Jo proud?
Question 1 of 10
earnest
full seriousness, as of intention or purpose.
a feeling of dread, anxiety, or anguish.
urgent character; imperativeness; insistence; importunateness.
TAKE THE QUIZ TO FIND OUT

Origin of z-axis

First recorded in 1945–50

Words nearby z-axis

z particle, z score, z twist, z's, z, z, z-axis, z-bar, z-dna, z-plasty, z-zero particle, z.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for z-axis

z-axis

noun

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

Scientific definitions for z-axis

z-axis
[ zē′ăk′sĭs ]

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.