A scientist who is mad or eccentric, especially so as to be dangerous or evil: a stock figure of melodramatic horror stories; frequently attributive.
Late 19th century; earliest use found in The Newark Advocate.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。