astrograph

noun as·tro·graph \ˈastrōˌgraf\

Definition of astrograph

plural

-s

  1. 1 :  a photographic telescope designed for use in mapping the heavens

  2. 2 :  a now little used navigational instrument for projecting star-altitude curves from film directly onto a Mercator chart of proper scale

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Origin and Etymology of astrograph

International Scientific Vocabulary astr- + -graph


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the point at which something begins

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