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air cell

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noun

Anatomy, Zoology, Botany. a cavity or receptacle containing air.
Electricity. a cell in which the positive electrode is depolarized by the oxygen in the air.

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Origin of air cell

First recorded in 1780–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Medical definitions for air cell

air cell

n.

A terminal dilation of the bronchiole where gas exchange is thought to occur.
Spaces that contain air in the bones of the skull.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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