| 释义 |
liquation|lɪˈkweɪʃən|
[ad. L. liquātiōn-em, n. of action f. liquāre: see prec.]
1. The process of making or of becoming liquid; the condition or capacity of being melted.
1612Woodall Surg. Mate Wks. (1653) 272 Liquation is when as that which shall be made into one body, is dissolved, that it can flow abroad like waves. 1646Sir T. Browne Pseud. Ep. ii. i. 49 Crystall is nothing else, but Ice or Snow..congealed beyond liquation. 1657Tomlinson Renou's Disp. ii. xviii. 74 Liquation differs from Dissolution, in that Liquation is alwayes caused by heat, and seldome or never with any humour; Dissolution alwayes with humours, seldome with heat. 1669[see liquate v. 1]. 1722Quincy Phys. Dict. (ed. 2) s.v., Such unctuous Substances as are procured by Liquation, or Liquefaction, which signify the same.
2. Metallurgy. The action or process of separating metals by fusion.
1471Ripley Comp. Alch. vii. v. in Ashm. (1652) 170 As yt [Gold] the Fyre doth fele, Lyke Wax yt wylbe redy unto Lyquacyon. 1605Timme Quersit. i. xiii. 59 In the liquation or melting of gold with other metalls. 1646Sir T. Browne Pseud. Ep. iii. xxi. 161 Mettals in their liquation, although they intensly heat the air above their surface, arise not yet into a flame. 1839Ure Dict. Arts 774 Lead and antimony are the metals most commonly subjected to liquation.
3. Comb., as liquation furnace, liquation hearth, liquation tube; liquation cake, a cake, composed of black copper and lead, used in charging a liquation furnace.
1839Ure Dict. Arts 775 The flames, after playing round about the sides of the liquation tubes, pass off..into the chimney. Ibid. 824 The working area charged with the liquation cakes and charcoal. Ibid., These cakes are..placed in the liquation furnace. 1875Knight Dict. Mech., Liquation Hearth, or Furnace. |