(chemistry) Any of several highly unstable explosives that are the silicon analogues of existing carbon ones.

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.

plural of plastic explosive

Any of a number of explosive materials formulated to be soft and hand malleable.

plural of Coulomb explosion

plural of sila-explosive

plural of high explosive

(aviation, medicine) A situation where the ambient air pressure suddenly drops faster than the air in the lungs can escape, creating a risk of barotrauma to the lung tissue.

(logic) The principle or axiom of classical logic and some other logical systems stating that if a contradiction or a false proposition is proven to be true, then it proves that everything is true. In symbols: ⊥→P

(evolutionary biology) The relatively rapid appearance, during the Cambrian Period around 541 million years ago, of most major animal phyla, as demonstrated in the fossil record.