See more synonyms for arteriole on

Origin of arteriole

1830–40; < New Latin artēriola, equivalent to Latin artēri(a) artery + -ola -ole1
Related formsar·te·ri·o·lar, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for arteriole

artery, vein, capillary, arteriole, metarteriole, venule

British Dictionary definitions for arteriole


  1. anatomy any of the small subdivisions of an artery that form thin-walled vessels ending in capillaries

Word Origin for arteriole

C19: from New Latin arteriola, from Latin artēria artery
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

Word Origin and History for arteriole

"small artery," by 1808, from Modern Latin arteriola, diminutive of arteria (see artery).

Online Etymology Dictionary, © 2010 Douglas Harper

arteriole in Medicine


  1. A minute artery, especially a terminal artery continuous with the capillary network.
Related formsar•te′ri•olar (lər, -ə-lər) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

arteriole in Science


  1. Any of the smaller branches of an artery, especially one that connects with a capillary.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.