单词 | deliquesce |
释义 | deliquescev. 1. a. intransitive. Chemistry. Of a solid substance (such as certain salts): to melt or become liquid by dissolving spontaneously in moisture absorbed from the air. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > undergo chemical reactions or processes [verb (intransitive)] > undergo chemical reactions or processes (named) > become liquid deliquate1617 deliquiate1668 deliquesce1756 1756 C. Lucas Ess. Waters i. 14 They attract the humidity of the air, and deliquesce or run liquid. 1773 Philos. Trans. (Royal Soc.) 63 137 A crystalline blueish green salt, which is to be..kept in a well-corked bottle; because, on exposure to the air, it deliquesces. 1876 D. Page Adv. Text-bk. Geol. (ed. 6) xvi. 299 Pure chloride of sodium is not liable to deliquesce. 1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) xxii. 176 On standing in air, it [sc. caustic soda] deliquesces, but the liquid formed gradually solidifies again, owing to the absorption of carbon dioxide from the air converting it into sodium carbonate. 2014 V. I. Khvorostyanov & J. A. Curry Thermodynamics, Kinetics & Microphysics Clouds x. 534 The second mechanism occurs when a small aerosol particle containing both hygroscopic and insoluble parts deliquesces. b. intransitive. Chiefly Biology. Of a part of an organism: to liquefy or melt away in the process of development or decay. ΘΚΠ the world > matter > condition of matter > bad condition of matter > deteriorate in condition [verb (intransitive)] > decompose, crumble, or melt away melteOE fleetc1384 dissolvec1420 unbindc1450 loosec1480 moulder1531 mirtlec1540 mould1542 moulter1568 mutter1609 mosker1612 disband1633 dust1636 dissipatea1676 deliquesce1792 decompose1793 disintegrate1817 1792 W. Withering Bot. Arrangem. Brit. Plants (ed. 2) III. 395 Gills loose, in contact with but not united to the stem, moderately numerous, 4 in a set, brown grey changing to black and deliquescing. 1836–9 Todd's Cycl. Anat. & Physiol. II. 953 [The brain's] disposition to deliquesce when exposed..to the air. 1872 D. Oliver Lessons Elem. Bot. (new ed.) ii. 292 [Fungi] often deliquesce when mature. 1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 272 Zoogonidia which are set free by the wall of the mother-cell becoming gelatinous and deliquescing. 1950 L. E. Hawker Physiol. Fungi iv. 195 As soon as they [sc. the spores] are shed from the lowest part of the gill, the latter deliquesces and drips away in black inky drops. 2012 M. Leaño & V. Damare in E. B. G. Jones & K.-L. Pang Marine Fungi xii. 220 The cell wall deliquesces completely leaving the protoplast fully naked. 2. intransitive. gen. To melt away; to disappear, dissolve. Chiefly figurative. N.E.D. (1895) labelled this sense ‘Mostly humorous or affected.’With quot. 1815 cf. deliquescent adj. 2b. ΘΚΠ the world > matter > liquid > making or becoming liquid > action or process of melting > melt [verb (intransitive)] > away formeltc893 to melt awayc1300 deliquesce1815 1815 J. Elliotson tr. J. F. Blumenbach Inst. Physiol. xix. 122 Every part of the muscles is amply supplied with blood vessels and nervous threads. The latter appear to deliquesce [L. deliquescere] into an invisible pulp, and unite intimately with the muscular fibres. 1858 O. W. Holmes Autocrat of Breakfast-table xi. 299 I have known several very genteel idiots whose whole vocabulary had deliquesced into some half dozen expressions. 1895 Boston Daily Advertiser 4 Sept. 8/1 He will cover..about 200,000 miles. Before him the ordinary globe trotter will diminish and deliquesce, as it were, abashed by his own insignificance. 1979 I. Horovitz Christmas Carol: Scrooge & Marley i. iv. 45 (stage direct.) Future [sc. the Ghost of Christmas Future] deliquesces, slowly, gently. The Phantom's hood and robe drop gracefully to the ground in a small heap. 2018 Guardian (Nexis) 21 July My thoughts started to deliquesce and slide through my brain like melting cheese. This entry has been updated (OED Third Edition, December 2020; most recently modified version published online June 2022). < v.1756 |
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