North Korea claims to have converted the fissile material into nuclear weapons.
Mould, the earth of vegetables, is hardened into fissile slate, which being impregnated with bitumen becomes coal.
It appears to us from its use to have been either a quartzite or a fissile limestone.
Slate′-axe, a slater's tool, a sax; Slate′-clay, a fissile shale.
A fissile texture is occasionally assumed by clinkstone and other trap rocks, so that they have been used for roofing houses.
fissile, fis′il, adj. that may be cleft or split in the direction of the grain.
The cliffs of this island are composed of a fissile primitive rock, on which sandstone reposes in regular beds.
Other loadstones are of a leaden colour, fissile and not-fissile, capable of being split like slates in layers.
fissile -is: cleft or divided; as the wings in plume-moths: also used for lamellate.
The grits are of a fissile character, and are quarried extensively for flag-stone, ashlers, and fire-stone.