air cell
Americannoun
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Anatomy, Zoology, Botany. a cavity or receptacle containing air.
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Electricity. a cell in which the positive electrode is depolarized by the oxygen in the air.
Etymology
Origin of air cell
First recorded in 1780–90
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"As an egg ages and its air cell expands, it gets progressively less dense."
From Salon • Apr. 3, 2022
"The egg as a whole loses moisture through its porous shell, so the contents of the egg shrink, and the air cell at the wide end expands," writes Harold McGee in "On Food and Cooking."
From Salon • Apr. 3, 2022
The new world has no chains of deserts, just one simple circulating air cell grinding away in each hemisphere.
From Slate • Jul. 14, 2014
Each of these spaces is called an ethmoid air cell.
From Textbooks • Jun. 19, 2013
The hind limbs similarly receive air from the abdominal air cell, which supplies the femur and other bones of the leg, the sacrum, and the tail.
From Dragons of the Air An Account of Extinct Flying Reptiles by Seeley, H. G.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
