a taxonomist who classifies organisms into many groups on the basis of relatively minor characteristics
<noun.person>
a laborer who splits logs to build split-rail fences
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Splitter \Split"ter\ (-t[~e]r), n. One who, or that which, splits.
The bishops and pawns ending had been declared a certain point splitter by "chessperts" when Portisch sealed his 62nd move after an exciting six-hour battle from a Ruy Lopez the day before.