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major axis

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noun Mathematics.
  1. the axis of an ellipse that passes through the two foci.

Origin of major axis

First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for major axis

Historical Examples

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

    The Boy Mechanic, Book 2

    Various


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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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