Airplane - an air craft that keeps up force from the air upon the wings .

Atomic - using Atomic power .

Atomic Bomb - a very destructive kind of bomb

Bomb - a hollow case filled with explosives , harmful gas

City - a large, important town .

Classify - to arrange by putting into a class or group according to the system .

Damage - the hurting or breaking of a thing so as to make it of less value .

Explosion - to blow up or burst with a loud noise and force .

Hiroshima - a sea port in southwest Japan .