See Also: bomb(2)(dictionary)
car bomb(dictionary)
A-bomb(dictionary)
bomb(1)(dictionary)
The Bomb(finance)
H-bomb(dictionary)
Bomb(medicine)
bomb(encyclopedia)
dive-bomb(dictionary)
cluster bomb(dictionary)

bomb (sh)




In volcanology, any unconsolidated volcanic material that has a diameter greater than 1.

25 in. (32 mm). Bombs form from clots of wholly or partly liquid lava ejected during a volcanic explosion; they solidify and become rounded during flight. The final shape is determined by the initial size, viscosity, and flight velocity of the magma.