| 释义 |
fæcula, fecula|ˈfɛkjʊlə|
Pl. -æ.
[a. L. fæcula crust of wine, dim. of fæx: see fæces. Cf. F. fécule.
The spelling fecula is now the more common, but is not in accordance with analogy, as L. words not anglicized in termination ordinarily retain their original spelling.]
1. ‘The sediment or lees which subsides from the infusion of many vegetable substances, esp. applied to starch’ (Syd. Soc. Lex. 1884). amylaceous fæcula: starch. green fæcula (Fr. fécule verte): see quot. 1800.
1684tr. Bonet's Merc. Compit. v. 146 It is better to use the powder of the root [of Pæony] than the fæcula. 1791Hamilton Berthollet's Dyeing II. ii. ii. ii. 76 The fecula remaining on the filter he compared to..Carolina indigo. 1800tr. Lagrange's Chem. II. 258 Green Fecula, is extracted from the juice of vegetables: this green colour is exceedingly fugitive..The other kind, called Amylaceous Fecula, is in a great measure extracted from corn. 1810Henry Elem. Chem. (1840) II. 257 The fecula..is not dissolved, but merely suspended mechanically. 1858Carpenter Veg. Phys. §691 The bulbs generally contain a large quantity of fecula.
2. Sediment in general, dregs. sing. and pl. rare.
1816J. Smith Panorama Sc. & Art II. 385 Astringent vegetables..precipitate a fine black fecula from sulphate of iron. 1823P. Nicholson Pract. Build. 411 Linseed oil..is..filtered to free it from feculæ. |