noun

*pl.*z′-ax·es·

*z*

noun

Geom. in a three-dimensional Cartesian coordinate system, the axis that is perpendicular to the x-axis and the y-axis and that is used to measure or plot the values of *z*

Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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noun

One of three axes in a three-dimensional Cartesian coordinate system.

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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One of the three axes of a three-dimensional Cartesian coordinate system.

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English Wiktionary. Available under CC-BY-SA license.

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The third axis, usually representing depth, of a three-dimensional grid, chart, or graph in a Cartesian coordinate system. The z-axis is perpendicular to both the x-axis and y-axis and is used to plot the value of z, the third unknown in mathematics. See also Cartesian coordinates, x-axis, y-axis, and z.

Webster's New World Telecom Dictionary Copyright © 2010 by Wiley Publishing, Inc., Indianapolis, Indiana.

Used by arrangement with John Wiley & Sons, Inc.

Used by arrangement with John Wiley & Sons, Inc.

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The third dimension in a graphics image. The width is the x-axis and the height is the y-axis. See x-y matrix.

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"Z-axis." *YourDictionary*. LoveToKnow. www.yourdictionary.com/Z-axis.

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Z-axis. (n.d.). In *YourDictionary*. Retrieved from https://www.yourdictionary.com/Z-axis