Home › Words › F › fissionabilityfissionabilityfissionability means the quality or degree of being fissionable.Among words judged in Lexicurio's Arena, fissionability ranks #34,879 of 42,762 for Qualifying.EtymologyFrom fission + -ability.nounThe quality or degree of being fissionable.e.g.“He also helped to work out the fissionability of uranium-233.” — 2007 August 26, Jeremy Pearce, “John W. Gofman, 88, Scientist and Advocate for Nuclear Safety, Dies”, in New York Times:Definitions & examples from Wiktionary (CC BY-SA 3.0).