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humidity|hjuːˈmɪdɪtɪ|
Also 5 humedite, vmydite, humidyte, 5–6 humidite(e, etc.
[a. F. humidité (14th c. in Hatz.-Darm.), ad. L. hūmiditāt-em, f. hūmidus humid.]
1. The quality or condition of being humid; moistness, dampness.
relative humidity (of the atmosphere) in Meteorol., the amount of moisture which it contains as compared with that of complete saturation at the given temperature.
c1450Burgh Secrees 1906 Ffor Chaung of Complexioun by drynesse or humydite. 1542Boorde Dyetary xviii. (1870) 277 All maner of flesshe the whiche is inclyned to humydyte. 1615G. Sandys Trav. 129 By reason of the humidity of the Northerne wind, which here is the moystest. 1729S. Switzer Hydrost. & Hydraul. 207 This Hygrometer..the use whereof is to find out precisely the Humidity and Siccity of the Air. 1820Scoresby Acc. Arctic Reg. I. 380 The relative humidity of the atmosphere, as indicated by a hygrometer. 1871Tyndall Fragm. Sc. (1879) I. ii. 58 A day of average humidity in England.
2. concr. Fluid matter that makes a body humid; moisture (diffused through a gas as vapour or through a solid substance, or condensed upon a surface); damp.
1412–20Lydg. Chron. Troy i. vi. (MS. Digby 230), After þat ver haþ made out of þe roote The humydite kyndely to ascende. 1528Paynel Salerne's Regim. A iv b, Blud..is very nere like humidite whiche is as fundation of lyfe. 1656Stanley Hist. Philos. vi. (1701) 260/1 Death..cometh..when through want of Refrigeration the Radical Humidity is consumed and dried up. 1727Bradley Fam. Dict. s.v. Guaiacum, The watery Humidity call'd Phlegm. 1893Sir R. Ball In High Heavens 277 When the heat was greatest ..the air was..largely charged with humidity.
b. pl. The humours and juices of animals and plants. (Cf. humour n. 2.)
c1400Lanfranc's Cirurg. 28 Anoþer maner fleisch þer is þat is glandelose..& his Iuuament is þat he turne humedites [B. vmydites], þat is to seie moistnes to her heete. 1691Wood Ath. Oxon. (R.), Imbibing the superfluous humidities of the body. 1725Bradley Fam. Dict. s.v. Pomegranate-tree, This Mould..and its Salts..will..penetrate the Roots of the Pomegranate-Trees, by Means of the Humidities which draw them thither. |