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[meg-uh-lop-uh-lis] /ˌmɛg əˈlɒp ə lɪs/
a very large city.
an urban region, especially one consisting of several large cities and suburbs that adjoin each other.
Also, megapolis.
Origin of megalopolis
First recorded in 1825-35; megalo- + polis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for megalopolis


an urban complex, usually comprising several large towns
Derived Forms
megalopolitan (ˌmɛɡələˈpɒlɪtən) adjective, noun
Word Origin
C20: megalo- + Greek polis city
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 megalopolis

1832, from comb. form of Greek megas (genitive megalou) "great" (see mickle) + polis "city" (see polis). The word was used in classical times as an epithet of great cities (Athens, Syracuse, Alexandria), and it also was the name of a former city in Arcadia.

Online Etymology Dictionary, © 2010 Douglas Harper
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megalopolis in Culture
megalopolis [(meg-uh-lop-uh-lis)]

A vast stretch of developed industrial urban area, such as the East Coast of the United States from Boston to Washington, D.C., or the Ruhr Valley in Germany. Megalopolis is from Greek words meaning “great city.”

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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