pneumaticspring
nounUK /njuːˈmætɪk sprɪŋ/
US /nuːˈmætɪk sprɪŋ/
A pneumatic spring is a soft cushion of air that pushes back when you press it.
The bus seat bounced gently because it had a pneumatic spring inside.
RELATED WORDS
OTHER MEANINGS
2. A device that uses trapped air to support weight or absorb shocks in vehicles and machines.
The train's pneumatic springs kept the ride smooth over bumpy tracks.
3. A type of spring in which compressed air replaces a metal coil.
Engineers chose a pneumatic spring instead of a steel coil for the lightweight design.
4. An air-filled part used in furniture or packaging to give soft support.
The office chair's pneumatic spring let her adjust the height easily.