adj

pneumatic

noo-MA-tihk

adj

Operated or inflated by compressed air.

"The mechanic used a pneumatic drill to loosen the bolts."

"Pneumatic tyres cushion the ride far better than solid rubber ones."

Relating to air or gases in general.

"The pneumatic pressure in the system dropped overnight."

How to Use Pneumatic

Learner’s notes

In plain EnglishPowered by or related to air pressure, like tools or tyres that use compressed air.

Common pairings

pneumatic drill pneumatic tyre pneumatic tube

more pneumatic comparative, pneumatics plural, most pneumatic superlative

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The mechanic used a _____ drill to loosen the bolts.

From Greek pneumatikos, "of wind or breath," from pneuma, "air, breath, spirit."

airy gaseous voluptuous

liquid active airy voluptuous gaseous

static aquatic fanatic hepatic erratic lunatic aromatic ecstatic operatic dramatic climatic emphatic

airy gaseous voluptuous liquid active