| 释义 |
pneu·mat·ic
I. \n(y)üˈmad.ik, -atik, -ēk sometimes nəˈm-\ adjective
Etymology: Latin pneumaticus, from Greek pneumatikos, from pneumat-, pneuma wind, air, breath, spirit (from pnein to breathe) + -ikos -ic; akin to Old English fnēosan to sneeze — more at sneeze
1.
a. : of, relating to, or using air, wind, or other gas:
(1) : moved or worked by air pressure either by a percussive action or by a rotary action
< pneumatic chisel >
< pneumatic drill >
(2) : adapted for holding compressed air : inflated with air
< pneumatic tire >
b. : of or relating to pneumatics
2. : of or relating to the pneuma; especially : spiritual
3. : marked by or having cavities filled with air
< pneumatic system of the pelican — E.A.Armstrong >
4. : having a well proportioned feminine figure; especially : having a full bust
II. noun
(-s)
1. : a spiritual being; specifically : one held by the Gnostics as belonging to the highest of the three classes into which mankind is divided
2. : a pneumatic tire |