# major axis

noun, Mathematics
1.
the axis of an ellipse that passes through the two foci.
Origin of major axis
1850-1855
1850-55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for major axis
Historical Examples
• Do this on both sides of the major axis, and produce these lines so they cross the curved lines (G).

J. S. Zerbe
• We may take any point along the major axis, as shown, for instance, in Fig. 149.

J. S. Zerbe
• In this case the principal axis of the body is the major axis of the second as well as of the third girdle.

• Polar spines three-sided pyramidal, about as long as the major axis of the shell; their basal thickness equals one mesh.

• If, on the contrary, the post is longer than the shelf the ellipse should have its major axis in a vertical position, Figure 74.

William H. Varnum
• But pour a beam of direct sunlight from end to end along its major axis.

Henry White Warren
• Polar spines cylindrical, blunt, longer than the major axis, scarcely half as broad as one larger pore.

• The line drawn through the longest part of an ellipse is called the major axis.

E. A. Allen
• They consist of one central passage which extends under the arena from end to end in the line of the major axis of the ellipse.

Robert Burn
• The anomaly is then the angle BFP which the radius vector makes with the major axis.

British Dictionary definitions for major axis

## major axis

noun
1.
the longer or longest axis of an ellipse or ellipsoid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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### Difficulty index for major axis

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### Word Value for major

14
17
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