单词 | decantation |
释义 | decantation|diːkænˈteɪʃən| [ad. med.L. dēcanthātio, in Fr. décantation, n. of action f. decant v.1] The action of decanting; esp. of pouring off a liquid clear from a precipitate or deposit.
1641French Distill. i. (1651) 9 Decantation, is the pouring off of any liquor which hath a setling, by inclination. 1657G. Starkey Helmont's Vind. 196 This [sedimen] to be severed from the other juyce by decantation, and dried. 1758Elaboratory 377 The earth..will..form a sediment, that makes a decantation necessary. 1837Howitt Rur. Life vi. ii. (1862) 217 Inviting sounds of scraping plate and decantation. 1883Hardwich's Photogr. Chem. 23 Decantation, is allowing the precipitate to fall by its own weight to the bottom of the liquid, and then pouring the latter off. |

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