Home › Words › T › tripartitiontripartitiontripartition means A division by threes, or into three parts; the taking of a third part of any number or quantity.EtymologyCompare French tripartition.nounA division by threes, or into three parts; the taking of a third part of any number or quantity.e.g.“tripartitions of the plane”verbTo partition into three.Definitions & examples from Wiktionary (CC BY-SA 3.0).