fis·sile
adjective/ˈfɪsaɪl/
/ˈfɪsl/
(physics)- capable of nuclear fission
易裂变的 - fissile material
易裂变物质
Word Originmid 17th cent. (in the sense ‘easily split’): from Latin fissilis, from fiss- ‘split, cracked’, from the verb findere. - fissile material