The process or result of something being splintered.(noun)
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Use "splintering" in a sentence
"And perhaps that splintering is why Osama bin Laden's fantasy of a restored caliphate — an undivided Muslim empire, organic and hierarchic and centralized — now exerts its appeal (as did the Nasserite and later the Baath Party dream of a single Arab nation in which the old borders would be subsumed by one glorious whole)."
"Now, some dyed-in-the-wool Republicans might blanch at the idea of splintering the national party."
"You see the left wing kind of splintering in different groups."