单词 | ethereal oil |
释义 | > as lemmasethereal oil ethereal oil (a) = essential oil n. at essential adj. 5b; (b) Pharmacology a mixture of ether and ethyl sulphate obtained by distilling ethanol with sulphuric acid (now rare). ΘΚΠ society > occupation and work > materials > derived or manufactured material > extracted or refined oil > [noun] > volatile oil ethereal oil1664 essential oil1682 volatile oil1800 1664 P. D. C. tr. N. Le Fèvre Compend. Body Chymistry II. ii. iii. 114 If you joyn again this portion of Ætherial Oyl, or Spirit to its Phlegm or watery part, you shall restore it immediately to its capacity of heating which it had before. 1728 E. Chambers Cycl. at Æthereal The pure Liquor rising next after the Spirit, in the Distillation of Turpentine, is called the Æthereal Oil of Turpentine. 1790 W. Nicholson tr. A.-F. de Fourcroy Elements Nat. Hist. & Chem. (new ed.) III. Anc. & Mod. Names 14 (table) Oil of wine, sweet. Etherial oil. 1809 R. Powell tr. Pharmacopœia Royal Coll. Physicians London (ed. 2) 263 Compound Spirit of Æther. Take of Spirit of sulphuric Æther, a pint. Æthereal Oil, two fluidrachms. Mix. 1887 Pall Mall Gaz. 4 July 7/1 Absinthe..contains several ethereal oils. 1907 Spatula Nov. 121/2 Describe oleum aethereum. Ethereal oil. A volatile liquid consisting of equal volumes of heavy oil of wine and ether. 1964 Food & Cosmetics Toxicol. 2 406 Ethereal oils are rapidly absorbed by the skin, mucous membranes, lungs and alimentary canal. 2004 Econ. Bot. 58 Suppl. S195/2 An ethereal oil burns around the flowers when lit with a match. < as lemmas |
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