- 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.
Origin of air cell
First recorded in 1780–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for air cell
- 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.