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pneumatic (adj.)

1650s, from Latin pneumaticus "of the wind, belonging to the air," from Greek pneumatikos "of wind or air" (which is attested mainly as "of spirit, spiritual"), from pneuma (genitive pneumatos) "the wind," also "breath" (see pneuma). Earlier was pneumatical (c. 1600).

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Definitions of pneumatic from WordNet

pneumatic (adj.)
of or relating to or using air (or a similar gas);
pneumatic drill
pneumatic tire
From wordnet.princeton.edu