Showing results for astrograph. Search instead for rastrography.

astrograph

American

[as-truh-graf, -grahf] / ˈæs trəˌgræf, -ˌgrɑf /

noun

a navigational device for projecting altitude curves of the stars and planets onto charts or plotting sheets.

Other Word Forms

Etymology

Origin of astrograph

astro- + -graph

Example Sentences

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astrograph

Astronomers and historians have argued ever since about whether Eddington’s belief that he already knew the answer led him to fudge the eclipse analysis by leaving out the warped astrograph.

From New York Times ● Jul. 31, 2017

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023