1. divided into fractions or smaller parts; separated into fragments or groups
Usage: British spelling (American: fractionalized); past tense and past participle of fractionalise
2. separated into distinct groups or factions, especially in a political or social context
Usage: often used in political or organizational contexts

Examples

• The political party fractionalised into competing factions after the leadership dispute.
• The company fractionalised its operations into smaller regional divisions.
• The community fractionalised along ethnic and religious lines.
• The inheritance was fractionalised among multiple heirs.
• Support for the movement fractionalised as disagreements emerged over strategy.
• The market fractionalised into niche segments serving different customer needs.