splitter

[split-er]
noun
  1. a person or thing that splits.
  2. Biology Informal. a taxonomist who believes that classifications should emphasize differences between organisms and therefore favors a multiplicity of taxa (opposed to lumper).

Origin of splitter

First recorded in 1615–25; split + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for splitters

Historical Examples of splitters