# y-axis

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## X-Y matrix

A group of rows and columns. The x-axis is the horizontal row, and the y-axis is the vertical column. An x-y matrix is the reference framework for two-dimensional structures, such as mathematical tables, display screens, digitizer tablets, dot matrix printers and 2D graphics images.Copyright © 1981-2019 by

**The Computer Language Company Inc**. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.## y-axis

**i**. The lateral axis of the aircraft about which an aircraft pitches. Also called the

*pitch axis, normal axis*, z

*-axis*, and

*yawing axis*.

**ii**. A vertical two-dimensional system of rectangular coordinates. The reference line on which distances above and below (north or south) it are marked, especially on a map, chart, or graph.

An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved

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