weight of displaced air


displacement

displacementi. The total volume swept by pistons during the 180° rotation of a crankshaft of an internal combustion engine. It is the volume between top dead center and bottom dead center of an engine cylinder. Also called a swept volume.
ii. The mass of air displaced by a balloon or an airship. It may also be referred to as the weight of displaced air.
iii. The distance of any point from a standard point.
iv. The separation between a target and an interceptor at any point of time.