air cushion vs bypass

air cushion

• A shock absorber that uses an air chamber. 

• A layer of trapped air that supports a hovercraft. 

• A rubber or plastic inflatable cushion. 

bypass

• A section of pipe that conducts a fluid around some other fixture. 

• The act of going past or around. 

• An electrical shunt. 

• A road that passes around something, such as a residential area or business district. 

• An alternative passage created to divert a bodily fluid around a damaged organ; the surgical procedure to construct such a bypass. 

• To avoid an obstacle etc, by constructing or using a bypass. 

• To ignore the usual channels or procedures.