- The definition of an annihilation is the entire and complete destruction of a place, thing or group.
An example of an annihilation is the bombing of an entire town and the resulting murder of all the residents.
annihilation definition by American Heritage Dictionary
- a. The act or process of annihilating.b. The condition of having been annihilated; utter destruction.
- Physics The phenomenon in which a particle and an antiparticle, such as an electron and a positron, meet and are converted completely to energy approximately equivalent to the sum of their masses.
Variant of annihilate
- to destroy completely; put out of existence; demolish: an atomic bomb can annihilate a city
- to consider or cause to be of no importance or without effect; nullify: to annihilate another's ambition
- to kill
- to conquer decisively; crush
Origin: ; from Ecclesiastical Late Latin annihilatus, past participle of annihilare, to bring to nothing ; from Classical Latin ad, to plush nihil, nothing