Dictionary.com
Thesaurus.com
Synonyms

conurbation

American  
[kon-er-bey-shuhn] / ˌkɒn ərˈbeɪ ʃən /

noun

  1. an extensive urban area resulting from the expansion of several cities or towns so that they coalesce but usually retain their separate identities.

conurbation British  
/ ˌkɒnɜːˈbeɪʃən /

noun

  1. a large densely populated urban sprawl formed by the growth and coalescence of individual towns or cities

"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

Etymology

Origin of conurbation

con- + Latin urb- (stem of urbs ) “city, capital city, Rome” + -ation; coined by Sir Patrick Geddes (1854–1932), Scottish sociologist and city planner, in his Cities in Evolution (1915)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.