| 释义 |
lactescent, a.|lækˈtɛsənt|
[ad. L. lactēscentem, pres. pple. f. lactēscĕre, inchoative vb. f. lactēre to be milky, f. lact-, lac milk.]
1. Becoming milky; having a milky appearance.
1668Phil. Trans. III. 752 Concerning lactescent Bloud in a man..whose Bloud alwayes turn'd into Milk. 1757Walker in Phil. Trans. L. 135 Saccharum Saturni being added to the solution, precipitated a thick lactescent cloud. 1815Sporting Mag. XLVI. 63 The lactescent juice of the former [lettuce] is powerfully narcotic. 1876Gross Dis. Bladder 196 The urine assumes a turbid, purulent, or lactescent aspect.
2. Of plants: Yielding a milky juice.
1673Phil. Trans. VIII. 6006 Cheggio, a lactescent plant, found in Cambaja. 1724Switzer Pract. Gard. vii. lviii. (1727) 308 Common ladies thistle..on account of its lactescent quality. 1830Lindley Nat. Syst. Bot. 11 Limnocharis, a genus belonging to Butomeæ, is lactescent. 1880in Gray Struct. Bot. (ed. 6) 417/2.
¶3. Used for: Producing or secreting milk.
1796Duncan Ann. Med. I. 236 Tension of the nipples of lactescent women at the sight of a child. 1835Kirby Hab. & Inst. Anim. II. xxiv. 478 The entire skin of the abdomen forms a pocket, inclosing the lactescent organs. |