Definition from Wiktionary, the free dictionary
fissioning (plural fissionings)
- The act of splitting into two separate parts
2012 September 20, Andrew Brown, “Archbishop of Canterbury succession race begins in earnest”, The Guardian (online):
- There is the slow international fissioning of the Anglican communion, where conservative Africans and Asians have been trying for years to throw out the more liberal churches of North America, with the Church of England caught uneasily between factions. It's difficult to see any compromise there except the peace of exhaustion.
- Present participle of fission.