Freq #104836
Meanings
- 1
- 2
Thesaurus
Synonyms
1
adj
· capable of undergoing...
fissile
2
noun
· a substance or isotope...
fissile material
Opposites
nonfissionable
Word family
Appears in
Phrases (1)
See allEtymology
Formed from fission + -able. Fission comes from Latin fissio ("a splitting"), from findere ("to split"); the nuclear sense arose after the atomic nucleus was shown to split and release energy.