| 释义 |
gaseous, a.|ˈgæsɪəs, ˈgeɪsɪəs|
Also 9 gazeous.
[f. gas n.1 + -eous; cf. gazous and F. gazeux.]
1. a. Having the nature, or in the condition, of gas.
1799Med. Jrnl. I. 171 When it is exhibited to the senses in a gaseous state, it is then termed oxygenous gas. 1804C. B. Brown tr. Volney's View Soil U.S. 237 The sudden appearance of fever..may be owing to the action of some gazeous principle on the fluid which pervades the nerves. c1860Faraday Forces Nat. iii. 85 Bodies in what we call the vaporous, or the gaseous state, are always perfectly transparent. 1878Huxley Physiogr. 190 Associated with the steam are various gaseous exhalations.
fig.1834Landor Imag. Conv. (1846) II. 238/2 A word of honour is but the gaseous and volatile part of honour, which would blow up a true Frenchman if he tried to retain it within him. 1879Geo. Eliot Theo. Such iv. 94 His gaseous, illimitably expansive conceit.
b. gaseous diffusion, the diffusion of gas (see diffusion 5), esp. through a porous wall or membrane as a means of partially separating the gases in a mixture. Also attrib.
1846Phil. Trans. R. Soc. CXXXVI. 623 The full elucidation of the transpiration of mixed gases, must await..the further extension of our knowledge of the laws of gaseous diffusion. 1922Jrnl. Amer. Chem. Soc. XLIV. 41 A possible cause of loss of efficiency in gaseous diffusion is local convective action, due to unevenness in the texture of the membrane. 1958W. K. Mansfield Elem. Nucl. Physics i. 11 Separation using this fact occurs in gaseous diffusion plants.
c. gaseous gangrene = gas gangrene (see gas n.1 7).
1889Pacific Med. Jrnl. XXXII. 469 That septic disease now generally called malignant œdema..is also called..fulgurating gaseous gangrene. 1965Dorland's Med. Dict. (ed. 24) 316/2 C[lostridium] novyi, a species which is an important cause of gaseous gangrene, being reported in 32 to 48 per cent of cases.
2. Relating to gases.
1805W. Taylor in Ann. Rev. III. 511 The father of the gazeous philosophy [Priestley]. |