# x-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.## x-axis

**i**. The longitudinal axis of an aircraft around which the aircraft rolls and banks. Also called a

**.**

*rolling axis***ii**. The horizontal axis in a system of rectangular coordinates. The line on which distances to the right or the left (east or west) of the reference line 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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