(a) = essential oil n. at essential, adj. 5b; (b) Pharmacology a mixture of ether and ethyl sulphate obtained by distilling ethanol with sulphuric…
单词 | θ216815 |
释义 | society > occupation and work > materials > derived or manufactured material > extracted or refined oil > [noun] > volatile oil (3) ethereal oil1664 (a) = essential oil n. at essential, adj. 5b; (b) Pharmacology a mixture of ether and ethyl sulphate obtained by distilling ethanol with sulphuric… essential oil1682 a volatile oil, obtained by distillation, and marked by the characteristic odour of the plant or substance from which it is extracted; as the oil… volatile oil1800 (see essential, adj. 5b). |
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