astronomical

[ as-truh-nom-i-kuhl ]
/ ˌæs trəˈnɒm ɪ kəl /

adjective

of, relating to, or connected with astronomy.
extremely large; exceedingly great; enormous: It takes an astronomical amount of money to build a car factory.

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Also as·tro·nom·ic [as-truh-nom-ik] /ˌæs trəˈnɒm ɪk/ .

Origin of astronomical

First recorded in 1550–60; from Latin astronomic(us) (from Greek astronomikós ) + -al1;see astronomy, -ic

OTHER WORDS FROM astronomical

as·tro·nom·i·cal·ly, adverbnon·as·tro·nom·ic, adjectivenon·as·tro·nom·i·cal, adjectivenon·as·tro·nom·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for astronomical

British Dictionary definitions for astronomical

astronomical

astronomic

/ (ˌæstrəˈnɒmɪkəl) /

adjective

enormously large; immense
of or relating to astronomy

Derived forms of astronomical

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