astronomic

astronomical

[as-truh-nom-i-kuhl]
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, astronomic.


Origin:
1550–60; < Latin astronomic(us) (< Greek astronomikós; see astronomy, -ic) + -al1

astronomically, adverb
nonastronomic, adjective
nonastronomical, adjective
nonastronomically, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
astronomical or astronomic (ˌæstrəˈnɒmɪkəl)
 
adj
1.  enormously large; immense
2.  of or relating to astronomy
 
astronomic or astronomic
 
adj
 
astro'nomically or astronomic
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

astronomical
1550s, adj. from astronomy + -ical. Popular meaning "immense, concerning very large figures" (as sizes and distances in astronomy) is attested from 1899. Astronomical unit (abbrev. A.U.) "mean distance from Earth to Sun," used as a unit of measure of distance in space, is from 1909.
Online Etymology Dictionary, © 2010 Douglas Harper
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