====== Fusion ====== (Namespace: [[plural glossary:start]]) ^ Type of term | Possible function of a [[system]] | ^ Synonyms or near-synonyms | None | ^ Antonyms or near-antonyms | [[Splitting]] | [[headmate|Headmates]] attain fusion when they collapse into a single headmate. This is the opposite process from [[splitting]]. If the fusion leaves only a single headmate remaining in the [[system]], such that the system becomes a [[singlet]], that's called [[final fusion]].