Here is another definition of online dictionary. As Hu Yanyi from Shanghai International studies University stated in her paper,” Online dictionary is an internet-based, corpus-dependent way of translation that transfers one source language into target language. It involves many disciplines such as linguistics, computer science and even mathematics.”(Hu Yanyi; 2014)
在线词典在英语专业学生中使用调查及利弊分析(4):http://www.751com.cn/yingyu/lunwen_68574.html