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

New generation granules are more elastic and cohesive, while multiple algorithms create a more optimal shape and dimension for the air cells inside the track, reducing energy loss and thereby improving performance.

From Seattle Times

Multiple algorithms were explored before finding a more optimal shape and dimension for the air cells inside the track, which have been designed to minimize energy loss and enhance performance.

From Seattle Times

Its closed-cell structure contains about 100 million air cells in each cubic inch of material.

From Seattle Times

"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

But the underlying technology of inflatable air cells seem sound and helpful.

From The Verge