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or astronomic

[as-truh-nom-i-kuh l or as-truh-nom-ik] /ˌæs trəˈnɒm ɪ kəl or ˌæs trəˈnɒm ɪk/
of, relating to, or connected with astronomy.
extremely large; exceedingly great; enormous:
It takes an astronomical amount of money to build a car factory.
Origin of astronomical
1550-60; < Latin astronomic(us) (< Greek astronomikós; see astronomy, -ic) + -al1
Related forms
astronomically, adverb
nonastronomic, adjective
nonastronomical, adjective
nonastronomically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for astronomic
Historical Examples
  • The astronomic relationship between the two is very evident.

  • And he wished his faculties to work with astronomic punctuality.

    Robert Orange John Oliver Hobbes
  • His great circles and spirals have a kind of astronomic completeness.

    Under the Maples John Burroughs
  • Emerson speaks of Swedenborg's faculties working with astronomic punctuality, and this would apply to Purcell's musical faculties.

    Purcell John F. Runciman
  • Suffice it to quote a few “astronomic” figures in order to gauge the insuperable obstacles in the way of a reasonable Budget.

    The Russian Turmoil

    Anton Ivanovich Denikin
  • astronomic observations could be made from it as if it were solid rock rooted in the heart of the earth.

    Curiosities of Heat

    Lyman B. Tefft
  • Apparently, however, the deity has an astronomic significance and seems to symbolize a star.

  • The fact that in Dr. 25 and 26 K appears as regent of the year, is an argument in favor of his astronomic significance.

  • Fire prevails in the heart and the thoracic viscera, which bear an astronomic relation with the south.

    Curiosities of Medical Experience

    J. G. (John Gideon) Millingen
  • In a purely astronomic question the appeal lies, not to Scripture, but to astronomic science.

British Dictionary definitions for astronomic


enormously large; immense
of or relating to astronomy
Derived Forms
astronomically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for astronomic



1550s, from astronomy + -ical. Popular meaning "immense, concerning very large figures" (as sizes and distances in astronomy) is attested from 1899. Astronomical unit (abbreviation A.U.) "mean distance from Earth to Sun," used as a unit of measure of distance in space, is from 1909. Related: Astronomically.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for astronomic



Inconceivably large: an astronomical price for that car

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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