| 释义 |
inhalant, a. (n.) Zool.|ɪnˈheɪlənt|
Also erron. -ent.
[ad. L. inhālānt-em, pr. pple. of inhālāre to inhale. Cf. mod.F. inhalant.]
A. adj. Inhaling; serving for inhalation; concerned with inhalation.
1825Blackw. Mag. XVII. 326 The numerous inhalent orifices of the absorbent vessels. 1872Nicholson Palæont. 67 Very much smaller openings..termed the ‘pores’, or inhalant apertures. 1875Huxley & Martin Course Elem. Biol. 105 These ‘inhalent’ and ‘exhalent’ currents go on, so long as the animal is alive and the valves are open. 1883Harper's Mag. Jan. 187/2 Their orifices so arranged that the inhalent are upon the outside of the cylinder, and the exhalent upon the inner side. 1935Twenhofel & Shrock Invertebr. Paleontol. ix. 314 In the earliest and most primitive pelecypods..the edges of the mantle are entirely free, but posteriorly they are folded in such a way as to produce an upper exhalant channel separated from a lower inhalant one. 1968R. D. Purchon Biol. Mollusca iv. 164 S[olen] delesserti can also perform a swimming escape reaction by expulsion of a series of jets of water from the inhalant siphon.
B. n.
1. An inhalant opening or pore.
1822–34Good's Study Med. (ed. 4) IV. 292 A hundred pounds of fluid have in this manner been absorbed by the inhalents of the skin.
2. An apparatus used for inhaling; a medicinal preparation for inhalation.
In recent Dicts. |