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astronomical

[as-truh-nom-i-kuhl]

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adjective

of, pertaining to, or connected with astronomy.

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; < Latin astronomic(us) (< Greek astronomikós; see astronomy, -ic) + -al¹

Related forms

as·tro·nom·i·cal·ly, adverb

non·as·tro·nom·ic, adjective

non·as·tro·nom·i·cal, adjective

non·as·tro·nom·i·cal·ly, adverb

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To Astronomical

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Astronomical has a plethora of syllables.

So is antidisestablishmentarianism. Does it mean:

a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.

opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.

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Example Sentences

There you can admire stone rings used to calculate astronomical cycles and you can also marvel at the remains of a mural.

Some ridiculous pedants on here discussing spelling instead of this wonderful astronomical event.

Also on display are manuscripts, prints and astronomical instruments.

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Collins

World English Dictionary

astronomical or astronomic (ˌæstrəˈnɒmɪk^əl)

—*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
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source

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.

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