v.	1. to insert something into another thing in order to secure it 2. to secure something firmly in the mind 3. to insert a linking element into a word. In the word "acidophilus," the letter "o" is an infix.
n.	1. an affix inserted into the middle of a word

1.	中缀基本语言与逻辑词汇英中对照表 ... inference 推演 infixes 中缀 J jargon aphasia 行话失语症 ... www.douban.com\|基于5个网页
2.	附语 “前附语(Prefixes)后附语(Suffixes)中附语(infixes)。”　　基于上面论述，我们可以认定，古汉语中没有中缀，即使有这种构词形态 … www.pep.com.cn\|基于2个网页