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.
pontic (ponÂ´tik), n the suspended member of a fixed partial denture; an artificial tooth on a fixed partial denture or an isolated tooth on a removable partial denture. It replaces a lost natural tooth, restores its function, and usually occupies the space previously occupied by the natural crown. See also abutment.