Pronunciation: /ˌhɔr əˈzɒn tl/ ?

A horizontal line segment, a vertical line segment, and a slant line segment.
Figure 1: Horizontal.

A geometric figure is horizontal if it goes from left to right or right to left. One way to remember is that the horizon is horizontal. The x-axis in a Cartesian coordinate system is conventionally horizontal.


  1. horizontal. http://wordnet.princeton.edu/. WordNet. Princeton University. (Accessed: 2011-01-08). http://wordnetweb.princeton.edu/perl/webwn?s=horizontal&sub=Search+WordNet&o2=&o0=1&o7=&o5=&o1=1&o6=&o4=&o3=&h=.
  2. Slaught, H. E. and Nels Johann. Intermediate Algebra, pg 94. Allyn and Bacon, 1917. (Accessed: 2010-02-08). http://www.archive.org/stream/intermediatealge00slaurich#page/94/mode/1up/search/horizontal.

Cite this article as:

Horizontal. 2010-02-08. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/h/horizontal.html.


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Revision History

2010-02-08: Added "References" (McAdams, David.)
2008-12-09: Initial version (McAdams, David.)

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