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n. pl. al·ve·o·li (-lī′)
1. A small angular cavity or pit, such as a honeycomb cell.
2. A tooth socket in the jawbone.
3. A tiny, thin-walled, capillary-rich sac in the lungs where the exchange of oxygen and carbon dioxide takes place. Also called air sac.
[Latin, small hollow, diminutive of alveus, a hollow, from alvus, belly.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n, pl -li (-ˌlaɪ)
1. (Anatomy) any small pit, cavity, or saclike dilation, such as a honeycomb cell
2. (Anatomy) any of the sockets in which the roots of the teeth are embedded
3. (Anatomy) any of the tiny air sacs in the lungs at the end of the bronchioles, through which oxygen is taken into the blood
[C18: from Latin: a little hollow, diminutive of alveus]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
al•ve•o•lus(ælˈvi ə ləs)
n., pl. -li (-ˌlaɪ)
1. a little cavity, pit, or cell, as a cell of a honeycomb.
2. any of the tiny bunched air sacs at the ends of the bronchioles of the lungs.
3. the socket within the jawbone in which the root or roots of a tooth are set.
[1700–10; < Latin, =alve(us) concave vessel + -olus -ole1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Plural alveoli (ăl-vē′ə-lī′)
Any of the tiny air-filled sacs arranged in clusters in the lungs that allow oxygen to diffuse into the bloodstream and carbon dioxide to diffuse out of it. Also called air sac.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
One of the lungs’ tiny air sacs at the outer ends of the terminal bronchioles; also the bony socket supporting a tooth.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||alveolus - a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways|
lung - either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
sac - a structure resembling a bag in an animal
|2.||alveolus - a bony socket in the alveolar ridge that holds a tooth|
socket - a bony hollow into which a structure fits
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
alveolus[ælˈvɪələs] n → alveolo
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
n. alvéolo, cavidad.
English-Spanish Medical Dictionary © Farlex 2012
alveolusn (pl -li) alvéolo or alveolo
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.