major axis


noun Mathematics.

the axis of an ellipse that passes through the two foci.

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Origin of major axis

First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for major axis

  • Another groove, J, is made along the longitudinal center of the piece B, to receive the spine of the major-axis swivel head.

British Dictionary definitions for major axis

major axis

noun

the longer or longest axis of an ellipse or ellipsoid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012