单词 | quinoidine |
释义 | quinoidine in American English (kwɪˈnɔɪdin; kwɪˈnɔɪdɪn) noun a brownish substance containing a mixture of alkaloids formed in the process of extracting quinine from cinchona, formerly used as a substitute for quinine Word origin quinoid + -ine3quinoidine in American English (kwɪˈnɔidin, -dɪn) noun Pharmacology a brownish-black, resinous substance consisting of a mixture of alkaloids, obtained as a by-product in the manufacture of quinine and formerly used as a cheap substitute for it Word origin [1835–45; quin(ine) + -oid + -ine2]This word is first recorded in the period 1835–45. Other words that entered Englishat around the same time include: basic, catch-up, crosshead, serial, squeegee-ine is a suffix, of no assignable meaning, appearing in nouns of Greek, Latin, or Frenchorigin. Other words that use the affix -ine include: doctrine, famine, routine |
随便看 |
|
英语词典包含298861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。