Hayford ellipsoid

noun

An estimate for the shape and size of the Earth introduced more recently than the Bessel ellipsoid.

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Meanings

nounHayford ellipsoid (plural Hayford ellipsoids)

plural Hayford ellipsoids

  1. geographyAn estimate for the shape and size of the Earth introduced more recently than the Bessel ellipsoid.

Origin

Named after American geodesist John Fillmore Hayford.

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Cite this entry
APA

Hayford ellipsoid. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Hayford%20ellipsoid

MLA

“Hayford ellipsoid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Hayford%20ellipsoid. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Hayford ellipsoid,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Hayford%20ellipsoid.

Source: Hayford ellipsoid on Wiktionary, CC BY-SA 4.0.