quadruplicatenoun [ U ]
uk/kwɒdˈruːplɪkət/usformalin quadruplicate
if a document is prepared or written in quadruplicate, four copies of it are made:
The above documents are to be submitted in quadruplicate together with a valid passport.
英语词典包含110679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。