An engine driven by heated or by compressed air.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). air engine. Retrieved September 20, 2026, from http://smartdefine.org/air_engine/definitions/1971972 |
| Chicago | Webster's. 2011. "air engine" http://smartdefine.org/air_engine/definitions/1971972 (accessed September 20, 2026). |
| Harvard | Webster's 2011, air engine, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/air_engine/definitions/1971972>. |
| MLA | Webster's. "air engine" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/air_engine/definitions/1971972> |