Definition of Alveolus in English :

Define Alveolus in English

Alveolus meaning in English

Meaning of Alveolus in English

Pronunciation of Alveolus in English

Alveolus pronunciation in English

Pronounce Alveolus in English


see synonyms of alveolus


1. air cell, air sac, alveolus

a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways

2. alveolus, tooth socket

a bony socket in the alveolar ridge that holds a tooth

WordNet Lexical Database for English. Princeton University. 2010.


see synonyms of alveolus
noun plural -li (-ˌlaɪ)
any small pit, cavity, or saclike dilation, such as a honeycomb cell
any of the sockets in which the roots of the teeth are embedded
any of the tiny air sacs in the lungs at the end of the bronchioles, through which oxygen is taken into the blood

Collins English Dictionary. Copyright © HarperCollins Publishers


see synonyms of alveolus
nounWord forms: plural alˈveoˌli (ælˈviəˌlaɪ ; alvēˈəlīˌ; ælˈviəˌli ; alvēˈəlēˌ)
1.  Anatomy and Zoology
a small cavity or hollow, as a cell of a honeycomb, air cell of a lung, tooth socket, etc.
2.  [usually pl.]
the alveolar ridge; teethridge

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


see synonyms of alveolus
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.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.