noun, feminine

réunification

/ʁe.y.ni.fi.ka.sjɔ̃/

noun, feminine/ʁe.y.ni.fi.ka.sjɔ̃/plural: réunifications

reunification (the unification of something that was previously divided; used especially of a country)

From réunifier + -ation.

réunification — French Dictionary | Passage