fissionable

adj (of material) with a nucleus that can be split （指材料）可作核裂变的.

fish-eye lens, fish-farm, fish-hook, fish-kettle, fish-knife, fish-net, fish-plate, fish-slice, fisherman, fishery, fishing, fishing-boat, fishing-line, fishing-rod, fishing-tackle, fishmonger, fishwife, fishy, fissile, fission, fissiparous, fissure, fist, fistful, fisticuffs, fistula, fit, fit into with, fitful, fitfully, fitment, fitness, fitted, fitter, fitting, fittings, five, Five Love Languages, five o'clock shadow, five pence (also five p, 5p),