A pungent, explosive yellow oil, NCl₃, made by reaction of ammonia with excess chlorine and formerly used to bleach and age flour.
Late 19th century; earliest use found in Science.
英语词典包含464360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。