单词 | pneumatic |
释义 | pneu·mat·ic (n-mătĭk, ny-) also pneu·mat·i·cal (-ĭ-kəl) adj. 1. Of or relating to air or other gases. 2. Of or relating to pneumatics. 3. 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 the Appendix of Indo-European roots.] pneu·mati·cal·ly adv. pneu′ma·tici·ty (n′mə-tĭsĭ-tē, ny′-) n. |
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