单词 | etherify |
释义 | etherifyv. Chemistry. transitive. To make or convert into ether or an ether. Cf. etherification n. ΘΚΠ the world > matter > chemistry > organic chemistry > ether > etherification [verb (transitive)] etherify1800 etherize1803 1800 Philos. Mag. 7 50 He [sc. C. W. Scheele] distilled muriatic acid from off the oxyd of manganese; received the oxygenated acid in a vessel containing alcohol; and rectified the liquid, thus impregnated and etherified [Fr. éthérifié], by a gentle heat. 1857 W. A. Miller Elements Chem. III. §990. 161 Various salts are..capable of etherifying alcohol, if heated strongly with it under pressure. 1913 Proc. Royal Soc. 1912–13 B. 86 568 When 3 grm. of glucoside was used to 1 grm. of glucose, only 0.392 of the latter was etherified. 1970 Science 9 Oct. 174/2 The other three of the five cross-linking units are etherified at both the phenolic and benzylic hydroxyl positions. 2006 Appl. Catalysis A. 306 128/1 One alternative is to etherify glycerol with either alcohols (e.g. methanol or ethanol) or alkenes (e.g. isobutene). Derivatives eˈtherified adj. ΚΠ 1804 Repertory Arts, Manuf., & Agric. 4 285 It appears that ethereous alkohol is not a mixture of alkohol and ether, but ether in an imperfect state, semi-etherified ether or semi-ether.] 1809 Retrospect Philos., Mech., Chem., & Agric. Discov. 4 67 The etherified alkohol..being again treated with phosphoric acid, produced more ether. 1916 E. C. Worden Technol. Cellulose Esters VIII. iv. 2768 The etherified derivatives of benzyl, such as benzyl-methyl ether. 2011 Jrnl. Agric. & Food Chem. 59 12514 This is likely due to partial cleavage of the more condensed etherified linkages during the lignin isolation. eˈtherifying adj. ΚΠ 1840 Chemist 1 163 The water is partly retained by the acids, and may even be entirely decomposed by the etherifying chlorides. 1956 V. E. Yarsley & E. G. Couzens Plastics in Service of Man 81 The necessary etherifying chemicals have not been readily available. 2005 X. S. Sun in R. P. Wool & X. S. Sun Bio-Based Polymers & Composites 6 Cross-bonding with bifunctional esterifying or etherifying reagents to increase the starch molecular weight. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < v.1800 |
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