air engine

noun

1. an engine that uses the expansion of heated air to drive a piston
2. a small engine that uses compressed air to drive a piston

Example Sentences

At their worst, these serious delays can include mid-air engine failures and unexpected airport diversions.

From The Daily Beast

The first known air engine was invented by Sir George Cayley, in 1803.

From Project Gutenberg

Showing compressed air engine and twin propeller with their control gear.

From Project Gutenberg

Such an apparatus constitutes a so-called "caloric" or hot-air engine.

From Project Gutenberg

Efforts have been made for fifty years to construct a hot-air engine that would compete with steam successfully.

From Project Gutenberg

At one time the steam-engine was threatened with serious rivalry by the hot-air engine.

From Project Gutenberg