| 单词 | light oil |
| 释义 | > as lemmaslight oil light oil n. an oil having a comparatively low relative density; spec. any of various mixtures of mineral oils of low relative density, viscosity, and boiling point, obtained by the distillation of coal tar, petroleum, etc., or by the cracking of heavier oils. ΘΚΠ society > occupation and work > materials > derived or manufactured material > extracted or refined oil > [noun] > distilled or refined mineral oils oil of amber1559 neftec1575 light oil1761 white oil1763 white spirit1832 eupione1838 gas oil1839 heavy oil1849 petroleum ether1851 asboline1863 hydrocarbon oil1864 solar oil1864 mineral spirits1875 blown oil1887 phenoloid1900 1761 J. Milles in Philos. Trans. 1760 (Royal Soc.) 51 552 There was not the least appearance of any light oil floating on the bituminous liquor. 1836 Rec. Gen. Sci. 4 231 At first, a light oil comes over, but by changing the receiver from time to time, a heavy oil is obtained; the distillation is continued..until the naphaline is condensed. 1898 F. H. Thorp Outl. Industr. Chem. 264 The distillate collected [from wood-tar] below 150°C. is called ‘light oil’, and is chiefly used as a substitute for oil of turpentine in varnish and paints. 1936 Economist 22 Feb. 399/2 Increasing demand for the heavier oils has enabled a higher proportion of refinery production to be marketed in that form, and has reduced the proportion subjected to ‘cracking’ to obtain light oils, such as motor spirit. 2019 F. U. Babalola & A. A. Susu in R. M. Gounder Processing Heavy Crude Oils x. 168 Sometimes, light oil is mixed with the heavy oil to enhance flowability, which, of course, reduces the value of the light oil. < as lemmas |
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