(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.

(by extension) The rapid appearance of anything.

(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

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.

Designed and constructed to withstand or minimize damage from an internal or external explosion.

plural of Coulomb explosion

plural of sila-explosive

plural of Cambrian explosion.

plural of Cambrian explosion.

plural of Sprengel explosive