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bronchiole

[brong-kee-ohl]
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noun Anatomy.
  1. a small branch of a bronchus.
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Origin of bronchiole

1865–70; < New Latin bronchiolum, equivalent to bronchi(a) bronchia + -olum -ole1
Related formsbron·chi·o·lar [brong-kee-oh-ler, brong-kahy-uh-] /ˌbrɒŋ kiˈoʊ lər, brɒŋˈkaɪ ə-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for bronchiole

bronchiole

noun
  1. any of the smallest bronchial tubes, usually ending in alveoli
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Derived Formsbronchiolar (ˌbrɒŋkɪˈəʊlə), adjective

Word Origin

C19: from New Latin bronchiolum, diminutive of Late Latin bronchium, singular of bronchia
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 bronchiole

n.

Modern Latin, from diminutive of bronchia "the bronchial tubes" (plural; see bronchial).

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Online Etymology Dictionary, © 2010 Douglas Harper
bronchiole in Medicine

bronchiole

(brŏng′kē-ōl′)
n.
  1. Any of the fine, thin-walled, tubular extensions of a bronchus.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
bronchiole in Science

bronchiole

[brŏng′kē-ōl′]
  1. Any of the small, thin-walled tubes that branch from a bronchus and end in the alveolar sacs of the lung.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.