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astrograph

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

noun

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

Other Word Forms

  • astrographic adjective
  • astrography noun

Etymology

Origin of astrograph

astro- + -graph

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.