pneumatic
adj.adj. describing a tool or machine that works using air pressure. You use this word for things like drills or tires that need air to function.
adj. operated by air or other gas under pressure. Often used to describe industrial tools, mechanical systems, or anatomical structures containing air cavities.
The workers used a pneumatic drill to break the concrete.
Most heavy trucks use pneumatic braking systems because compressed air provides more reliable stopping power than hydraulic fluid alone.
The factory's automation relies on a complex network of pneumatic cylinders that move components along the assembly line with high speed and precision.
From Latin pneumaticus, from Ancient Greek πνευματικός (pneumatikós, “relating to wind or air”), from πνεῦμα (pneûma, “wind, air, breath, spirit”), from πνέω (pnéō, “I blow, breath”).
Typically used attributively before the noun it modifies.
a pnumatic toola pneumatic toolThe initial 'p' is silent, leading many learners to omit it in writing.