The compressor, the âheartâ of the carâs air conditioning system works like a pump taking refrigerant, (R-12 Freon in older cars, R-134a in 1995 and newer cars) and pressurizing it, passing it along to the evaporator.
pontoon - (nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge. barge, flatboat, hoy, lighter - a flatbottom boat for carrying heavy loads (especially on canals) boat - a small vessel for travel on water.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  festoon(Noun) An ornament such as a garland or chain which hangs loosely from two tacked spots. 2  festoon(Noun) A bas-relief, painting, or structural motif resembling such an ornament. 3  festoon(Noun) A raised cable with light globes attached.