单词 |
levigation |
释义 |
levigation Pharmacy.|lɛvɪˈgeɪʃən| [ad. L. lēvigātiōn-em, n. of action f. lēvigāre.] The action of levigate v.; ‘the trituration or rubbing down of a substance in a mortar or on a slab, with sufficient moisture to make it soft’ (Syd. Soc. Lex.).
1471Ripley Comp. Alch. i. in Ashm. (1652) 133 Then of thy Water make Ayre by Levygacyon. 1612Woodall Surg. Mate Wks. (1653) 272 Levigation is the reduction of any hard and ponderous matter by comminution, and diligent contusion into fine powder, like Alcool. 1718Quincy Compl. Disp. 11 Either by the Mortar, or by Levigation upon a Marble. 1833J. Holland Manuf. Metal II. x. 246 The most ancient mills were undoubtedly those in which the method of levigation was rudely employed. 1879Rutley Stud. Rocks viii. 73 In such crude examinations levigation may occasionally be advantageous. 1885W. Roberts Urin. Dis. ii. iii. (ed. 4) 325 They were easily separated from the urine by levigation and decantation. |

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