splitter
/ˈsplɪtə(r)/noun
1
- a person or thing occupied in or designed for splitting something劈（或切、割）的人; 劈裂机; 分离机; 分解器; 分裂器：
a log splitter.
木材劈割机。
1.1
- a person, especially a taxonomist, who attaches more importance to differences than to similarities in classification认为在分类中差别点比相似点更为重要的人（尤指分类学家）。与LUMPER比较。
2
- informal a severe headache〈非正式〉剧烈的头痛。