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 (no͞o-măt′ĭk, nyo͞o-) also pneu·mat·i·cal (-ĭ-kəl)
1. Of or relating to air or other gases.
2. Of or relating to pneumatics.
a. Run by or using compressed air: a pneumatic drill.
b. Filled with air, especially compressed air: a pneumatic tire.
4. Zoology Having cavities filled with air, as the bones of certain birds.
5. Of or relating to the pneuma; spiritual.

[French pneumatique, from Latin pneumaticus, from Greek pneumatikos, from pneuma, pneumat-, wind; see pneu- in Indo-European roots.]

pneu·mat′i·cal·ly adv.
pneu′ma·tic′i·ty (no͞o′mə-tĭs′ĭ-tē, nyo͞o′-) n.


(Zoology) zoology the condition of being pneumatic
References in periodicals archive ?
Not only do the extinct pterosaurs show evidence that their bones that were invaded by air sacs, but patterns of pneumaticity throughout the entire skeleton of different pterosaur species parallel trends identified in many living bird groups.