| 单词 |
aerostatics |
| 释义 |
aerostatics|ˌɛərəʊˈstætɪks|
[aerostatic a. in pl. treated as a collective sing. after analogy of mathematics, etc.: see -ics. Long used in the L. form aerostatica.]
The branch of Pneumatics that treats of the equilibrium and pressure of air, and other elastic fluids, or gases, and of bodies sustained in them: hence including aeronautics.
1753Chambers Cycl. Supp., Aerostatica is used by some authors for the science called by others aerometry. 1784Morning Herald 18 Mar. 1/4 The laws of Aerostatics, Pneumatics, and Hydrostatics. 1788Howard Encyc. I. 56 Aerostatica also denotes the doctrine of the pressure and balance of the air. 1864H. Spencer Illust. Progress 121 The invention of the barometer enabled men to extend the principles of mechanics to the atmosphere; and Aerostatics existed. 1881in Nature XXIII. 298 The study of the applications of aërostatics to military purposes. 1887tr. J. Verne's Clipper of Clouds ii. 15 They were not engineers by profession, but simply amateurs of all that appertained to aerostatics. |
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