| 单词 | humectation |
| 释义 | humectation|hjuːmɛkˈteɪʃən|
[a. F. humectation (14th c. in Littré) or ad. late L. (h)ūmectātiōn-em, n. of action f. (h)ūmectāre to humect.]
1. The action or process of moistening or wetting; irrigation; the condition of being moistened or wet.
1544T. Phaer Pestilence (1553) L ij b, Ther vpon folowed the excessiue humectacyon or moisting of mans body. 1610P. Barrough Meth. Physick vi. iii. (1639) 363 The Humectation or moistnes of the uvula. 1773Phil. Trans. LXIII. 407 If..the humectation exceeds the evaporation, the body at length wets through. 1849Card. Wiseman Ess., Sense v. Science (1853) III. 589 The requisite degree of humectation.
b. Old Chemistry. (See quot.)
1706Phillips (ed. Kersey), Humectation,..in Pharmacy and Chymistry, the moistening of a mixt Body in order to prepare it for some Operation, or for the more easy drawing out of its best or finest Parts.
c. Path. (See quot.)
1886Syd. Soc. Lex., Humectation,.. The term has been applied in the same sense as œdema or serous infiltration.
†2. Liquefaction. Obs.
1477Norton Ord. Alch. vi. in Ashm. (1652) 95 Vessells broade for Humectation. 1656Stanley Hist. Philos. vi. (1701) 255/1 Humectation..is the concretion of a vapour into water, or liquefaction of a solid Body, as Metal. |
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