Wiktionary
n. The explosion of a small explosive charge either to destroy a suspect package or unexploded ordinance, or to gain access to a locked enclosure that may be booby-trapped
Wikipedia
A controlled explosion is a method for detonating or disabling a suspected explosive device.
Methods which are used to set off a controlled explosion include clearing the area and using a bomb disposal robot to attach a shaped charge to the suspected bomb to sever the explosive from its detonator.
Another classic method of controlled explosion is to place the suspected bomb in a skip and fill it with sand before detonating it with a self-incendiary device or a fuse.
Usage examples of "controlled explosion".
We were searching, there in the laboratory in Maryland, for a way to use U235 in a controlled explosion.
And then that torrent, without the shaping of the nozzle, turned from a controlled explosion into an uncontrolled one.
The controlled explosion known as internal combustion slammed through machinery, turning the prop and driving the SeaSport across the cold blue water.
It was the face of an angry god, a voice like a controlled explosion.
There followed a controlled explosion christened by a puff of gray smoke.
Sort of controlled explosion which shoots the rocket into the air.
It plumbed the depths of her soul and biochemistry, bringing up the thunder of valor and the controlled explosion of adrenaline.