air jacket

air jacket

n 1. (Mechanical Engineering) an air-filled envelope or compartment surrounding a machine or part to reduce the rate at which heat is transferred to or from it. Compare water jacket 2. (Nautical Terms) a less common name for life jacket

Thesaurus

Noun

1.

air jacket - an inflatable life jacket Mae Westcork jacket, life jacket, life vest - life preserver consisting of a sleeveless jacket of buoyant or inflatable design