| 单词 | paraffin scale |
| 释义 | > as lemmasparaffin scale paraffin scale n. a crude solid form of paraffin obtained from a distillation process; also in plural. ΘΚΠ society > occupation and work > materials > derived or manufactured material > waxy materials > [noun] > paraffin wax paraffin1835 paraffin wax1867 paraffin scale1880 paraffin butter1889 parowax1909 1880 Spons' Encycl. Manuf. I. 586 The crude solid product separated from the light and heavy oils by the mineral oil refiners, and known as ‘paraffin scales’. 1949 Our Industry (Anglo-Iranian Oil Co.) (ed. 2) 335 (Gloss.) Paraffin scale, similar to paraffin wax, but less highly refined and having a higher oil content. It may vary from white to light yellow in colour. < as lemmas |
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