| 单词 | pneumatic |
| 释义 | pneumatic —pneumatically, adv. —pneumaticity /nooh'meuh tis"i tee, nyooh'-/, n. /noo mat"ik, nyoo-/, adj. 1. of or pertaining to air, gases, or wind. 2. of or pertaining to pneumatics. 3. operated by air or by the pressure or exhaustion of air: a pneumatic drill. 4. filled with or containing compressed air, as a tire. 5. equipped with pneumatic tires. 6. Theol. of or pertaining to the spirit; spiritual. 7. Zool. containing air or air cavities. n. 8. a pneumatic tire. 9. a vehicle having wheels with such tires. [1650-60; < L pneumaticus < Gk pneumatikós pertaining to air, breath or wind, spiritual, equiv. to pneumat- (s. of pneûma; see PNEUMA) + -ikos -IC] |
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