| 单词 | summer oil |
| 释义 | > as lemmassummer oil summer oil n. any of various kinds of oil made or used in the summer; spec. a thick engine oil, esp. one used in automobiles, which in hot weather has a viscosity suitable for use. ΚΠ 1745 tr. L. J. M. Columella Of Husbandry xii. l. 558 The beginning of December..is the middle season for gathering of olives, and making oil; for, before this time, the bitter oil, which is called Summer-oil, is made [L. oleum conficitur..aestivum]. 1852 Rep. Officers Light-house Board 150 in U.S. Congress. Serial Set (32nd Congress, 1st Sess.: House of Representatives Executive Doc. No. 55) VI Our lights are supplied with oil called winter and spring and summer oil. 1890 Railroad & Engin. Jrnl. Feb. 75/1 An attempt to use summer oil in the winter season may cause difficulty on account of the summer oil congealing at a considerably higher temperature than the winter oil. 1933 Pop. Sci. Monthly Dec. 60/3 When it's cold, heavy summer oil gets like so much molasses. Change to a thinner oil. 2003 Observer (Nexis) 19 Jan. 62 A light summer oil which would work very well with fish. 2012 Earthmovers Apr. 79/2 The viscosity of a multi-grade will be equivalent to winter oil when cold and summer oil when hot. < as lemmas |
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