contradistinction
noun [ U ] formal uk/ˌkɒn.trə.dɪˈstɪŋk.ʃən/ us/ˌkɑːn.trə.dɪˈstɪŋk.ʃən/
对比;区别
the difference between two or more things that is made clear by comparing them
I use the term "child" in contradistinction to "parent" - it does not necessarily refer to a juvenile. 我使用“儿童”一词与“父母”相区别——不一定是指青少年。
Synonym: contrast