capable of undergoing nuclear fission as a result of any process
Compare fissile (sense 1)
Derived forms
fissionability (ˌfissionaˈbility)
noun
fissionable in American English
(ˈfɪʃənəbəl)
adjective
Physics
capable of or possessing a nucleus or nuclei capable of undergoing fission
a fissionable nucleus
fissionable material
Also: fissile
Derived forms
fissionability
noun
Word origin
[1940–45; fission + -able]This word is first recorded in the period 1940–45. Other words that entered Englishat around the same time include: black box, sealant, set-aside, snorkel, zap-able is a suffix meaning “capable of, susceptible of, fit for, tending to, given to,”associated in meaning with the word able, occurring in loanwords from Latin (laudable); used in English as a highly productive suffix to form adjectives by addition tostems of any origin (teachable; photographable)
Examples of 'fissionable' in a sentence
fissionable
The words ` fissionable material ', `critical mass ', `chain reaction' and `atomic pile' were not mysterious concepts.