| 单词 | pneumatic |
| 释义 | Word Frequency pneumatic(njʊˈmætɪk) adjective also: pneumatical (njʊˈmætɪkəl) 1. of or concerned with air, gases, or wind Compare hydraulic 2. (of a machine or device) operated by compressed air or by a vacuum a pneumatic drill pneumatic brakes 3. containing compressed air a pneumatic tyre 4. of or concerned with pneumatics 5. theology a. of or relating to the soul or spirit b. of or relating to the Holy Ghost or other spiritual beings 6. (of the bones of birds) containing air spaces which reduce their weight as an adaptation to flying 7. informal (of a woman) well rounded, esp with a large bosom noun 8. short for pneumatic tyre Derived forms pneumatically (pneuˈmatically) adverb Word origin C17: from Late Latin pneumaticus of air or wind, from Greek pneumatikos of air or breath, from pneuma |
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