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4 dictionary results for: Astronomical
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
as·tro·nom·i·cal       [as-truh-nom-i-kuhl] Pronunciation Key
–adjective
1.of, pertaining to, or connected with astronomy.
2.extremely large; exceedingly great; enormous: It takes an astronomical amount of money to build a car factory.
Also, as·tro·nom·ic.

[Origin: 1550–60; < L astronomic(us) (< Gk astronomikós; see astronomy, -ic) + -al1]

—Related forms
as·tro·nom·i·cal·ly, adverb
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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American Heritage Dictionary - Cite This Source - Share This
as·tro·nom·i·cal       (ās'trə-nŏm'ĭ-kəl)  Pronunciation Key 
adj.  
  1. Of or relating to astronomy.
  2. Of enormous magnitude; immense: an astronomical increase in the deficit.

as'tro·nom'i·cal·ly adv.
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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WordNet - Cite This Source - Share This
astronomical

adjective
1. relating or belonging to the science of astronomy; "astronomic telescope" [syn: astronomic] 
2. inconceivably large [syn: astronomic] 

WordNet® 3.0, © 2006 by Princeton University.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Astronomical

As`tro*nom"ic*al\ (-[i^]*kal), a. [L. astronomicus, Gr. 'astronomiko`s: cf. F. astronomique.] Of or pertaining to astronomy; in accordance with the methods or principles of astronomy. -- As`tro*nom"ic*al*ly, adv.

Astronomical clock. See under Clock.

Astronomical day. See under Day.

Astronomical fractions, Astronomical numbers. See under Sexagesimal.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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