affix

A 开头单词专四核心词专八核心词雅思备考词托福词汇 SAT词汇

柯林斯词典

affix /əˈfɪks/ (affixes)

1. N-COUNT An affix is a letter or group of letters, for example, "un-" or "-y," which is added to either the beginning or the end of a word to form a different word with a different meaning. For example, "un-" is added to "kind" to form "unkind." Compare and . 词缀

剑桥词典