splitterism en · NOUN
Etymology
From splitter + -ism.
Meanings
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(uncountable) The ideology of a splitter (one who prefers to split categories into smaller groups).
Curiously, the descriptions sometimes coincide: Bolsheviks and Mensheviks accuse each other of "splitterism," factionalism, opportunism, of being intelligentsia- rather than worker-oriented (whether in outlook or social composition), of pandering to the undeveloped class instincts of the masses.
1997, André Liebich, From the Other Shore: Russian Social Democracy After 1921, page 29:Lumperism is very common in palaeontology of late, representing a legitimate reaction to the preceding splitterism.
1986, Valeriĭ Pavlovich Alekseev, The origin of the human race, page 101: