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air cell

American  

noun

  1. Anatomy, Zoology, Botany. a cavity or receptacle containing air.

  2. 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

Magnesia, asbestos air cell, molded asbestos, wool felt, waterproof paper and wool felt, cork, hair felt.

From Elements of Plumbing by Dibble, Samuel Edward