| 释义 |
desiccant, a. and n.|dɪˈsɪkənt, ˈdɛsɪkənt|
[ad. L. dēsiccānt-em, pr. pple. of dēsiccāre: see desiccate, and note there as to stress.]
A. adj. Having the property of drying; serving to dry; esp. of a medicinal agent.
1775Ash, Desiccant, drying, drying up humours. 1875H. C. Wood Therap. (1879) 39 Litharge..used as a desiccant astringent powder for ulcers. 1940Chambers's Techn. Dict. 236/2 Desiccants, substances of a hygroscopic nature, capable of absorbing moisture and therefore used as drying agents. 1958Engineering 14 Mar. 352/3 Air passing through the desiccant (activated alumina) is practically sterile when it leaves. 1967Times Rev. Industry May 80/2 A hermetically sealed polythene film bag, with a quantity of desiccant enclosed within it.
B. n. A drying or desiccating agent; a medicine or remedy which dries up.
1676Wiseman Surgery viii. v. (R.), We endeavour by moderate detergents and desiccants, to cleanse and dry the diseased parts. 1866Pall Mall G. No. 492. 739/1 Dry air is the most effective desiccant. |