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BNC: 0 COCA: 39747
BNC: 0 COCA: 39747

alveolus

noun

al·​ve·​o·​lus al-ˈvē-ə-ləs How to pronounce alveolus (audio)
plural alveoli al-ˈvē-ə-ˌlī How to pronounce alveolus (audio)
-(ˌ)lē
1
: a small cavity or pit: such as
a
: a socket in the jaw for a tooth
b
: a small air-containing compartment of the lungs in which the bronchioles terminate and from which respiratory gases are exchanged with the pulmonary capillaries
c
: an acinus of a compound gland
d
: a cell of a honeycomb
2

Example Sentences

Recent Examples on the Web But even when a patient is severely ill, some alveoli still function well. Olivia Carville, Bloomberg.com, 10 May 2020 This could explain how the alveoli fail to oxygenate the blood without the patient noticing the need to gasp for more air. Fox News, 28 Apr. 2020 These millions of alveoli are so soft, so gentle, that a healthy lung has almost no substance. oregonlive, 7 Apr. 2020

Word History

Etymology

New Latin, from Latin, diminutive of alveus cavity, hollow, from alvus belly, beehive; akin to Lithuanian aulys beehive, Greek aulos tube, flute

First Known Use

1657, in the meaning defined at sense 1

Time Traveler
The first known use of alveolus was in 1657
BNC: 0 COCA: 39747

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