Mid 19th century; earliest use found in Robley Dunglison (1798–1869), physician and medical writer. From classical Latin pilus hair + -eous, after osseous, carneous, etc.
英语词典包含243303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。