请输入您要查询的英文单词:

 

单词 paraffin
释义

WordReference Random House Learner's Dictionary of American English © 2024
par•af•fin /ˈpærəfɪn/USA pronunciation   n. [uncountable]
  1. Chemistrya colorless, tasteless, odorless, waxy substance, used esp. in candles.
  2. Chemistry, British TermsAlso called ˈpar•af•fin ˌoil. [Brit.]kerosene.

WordReference Random House Unabridged Dictionary of American English © 2024
par•af•fin  (parə fin),USA pronunciation n. 
  1. Chemistrya 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. Chemistry
    • any member of the alkane series.
    • 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. Chemistry, British TermsAlso called paraffin oil′. [Brit.]kerosene.

v.t. 
  1. Chemistryto cover or impregnate with paraffin.
  • Latin par(um) barely + aff(īnis) connected + -in2; so called from its slight affinity for other substances; see affinity
  • German
  • 1830–40

Collins Concise English Dictionary © HarperCollins Publishers::
paraffin /ˈpærəfɪn/, (less commonly)paraffine /ˈpærəˌfiːn/ n
  1. Also called: paraffin oil, (esp US and Canadian) kerosene a liquid mixture consisting mainly of alkane hydrocarbons with boiling points in the range 150°–300°C, used as an aircraft fuel, in domestic heaters, and as a solvent
  2. another name for alkane
  3. See paraffin wax
  4. See liquid paraffin
vb (transitive)
  1. to treat with paraffin or paraffin wax
Etymology: 19th Century: from German, from Latin parum too little + affinis adjacent; so called from its chemical inertia
随便看

 

英语词典包含188688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。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/7/23 17:48:00