major axis

noun

Definition of major axis

: the axis passing through the foci of an ellipse

First Known Use of major axis

1879, in the meaning defined above

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The first known use of major axis was in 1879

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Cite this Entry

“Major axis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/major%20axis. Accessed 15 Aug. 2020.

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