intransitive verb
Definition: To completely destroy or eliminate something, often used in a scientific context to describe the interaction of particles that results in their mutual destruction.
Example: When an electron and a positron meet, they can annihilate each other, producing energy in the form of gamma rays.
transitive verb
Definition: To completely destroy something so that it no longer exists or can be seen.
Example: The powerful explosion annihilated the entire building.