Aitoff projection

noun

A modified azimuthal map projection based on the equatorial form of the azimuthal equidistant projection, which first halves longitudes, then projects according to the azimuthal equidistant, and then stretches the result horizontally into a 2:1 ellipse to compensate for having halved the longitudes.

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Meanings

nounAitoff projection (plural Aitoff projections)

plural Aitoff projections

  1. cartographyA modified azimuthal map projection based on the equatorial form of the azimuthal equidistant projection, which first halves longitudes, then projects according to the azimuthal equidistant, and then stretches the result horizontally into a 2:1 ellipse to compensate for having halved the longitudes.

Origin

Proposed by David A. Aitoff in 1889.

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Cite this entry
APA

Aitoff projection. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Aitoff%20projection

MLA

“Aitoff projection.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Aitoff%20projection. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Aitoff projection,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Aitoff%20projection.

Source: Aitoff projection on Wiktionary, CC BY-SA 4.0.