单词 | paraffin |
释义 | paraffin /par"euh fin/, n. 1. a white or colorless, tasteless, odorless, water-insoluble, solid substance not easily acted upon by reagents, consisting of a mixture of hydrocarbons chiefly of the alkane series, obtained from crude petroleum: used in candles, for forming preservative coatings and seals, for waterproofing paper, etc. 2. Chem. a. any member of the alkane series. b. one of the higher members of the alkane series, solid at ordinary temperatures, having a boiling point above 300°C, which largely constitutes the commercial form of this substance. 3. Also called paraffin oil. Brit. kerosene. v.t. 4. to cover or impregnate with paraffin. [1830-40; < G < L par(um) barely + aff(inis) connected + -IN2; so called from its slight affinity for other substances; see AFFINITY] |
随便看 |
英语词典包含168451条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。