| 释义 |
torrefy, v.|ˈtɒrɪfaɪ|
Also irreg. torrify.
[a. F. torréfi-er (1566 in Hatz.-Darm.), ad. L. torrefacĕre to dry by heat, f. torrēre to dry, parch, roast + facĕre to make: see -fy. (The spelling torrify follows terrify, horrify.)]
1. trans. To roast, scorch, or dry by fire.
1601Holland Pliny xxiii. Proem II. 147 To bring it into ashes, it must bee torrified in an oven. 1661Lovell Hist. Anim. & Min. Introd., It's hardly concocted..and torrifieth the bloud. 1819H. Busk Banquet i. 234 The housewives..on the embers torrify their cake. 1883R. Haldane Workshop Receipts ii. 159/2 Taking care not to torrefy them too much.
b. To deprive of all moisture by heating, as a chemical or drug.
1601Holland Pliny xxvii. iv. II. 272 It [Aloe] ought to be torrefied in an earthen vessell. Ibid. xxxi. x. 422 Torrifie nitre untill it begin to looke blacke. 1713Phil. Trans. XXVIII. 230 They torrify a Spoonful of white Cummin-seed.
c. Metallurgy. To roast, as ores, in order to deprive of sulphur, arsenic, or other volatile substance.
1686Plot Staffordsh. 188 Pyrites aureus (which if torrefy'd..prove all Iron Ores). 1806Forsyth Beauties Scotl. III. 100 To prepare iron-stone for the furnace, it must be roasted, or torrified, to expell all volatile matters. 1840Civil Eng. & Arch. Jrnl. III. 415/1 It contains carbonaceous matter enough to torrify the stone and make it fit for the furnace.
2. intr. To become reduced to a cinder or ash; to become calcined.
1615Crooke Body of Man 89 This Fat..is not melted by fire, but rather torrifieth. |