annihilator

Definition of Annihilator in English :

1. annihilator

a total destroyer

WordNet Lexical Database for English. Princeton University. 2010.

Annihilator

verb

1. (transitive)

to destroy completely; extinguish

2. (transitive) informal

to defeat totally, as in debate or argument

3. (intransitive) physics

to undergo annihilation

verb transitiveWord forms: anˈnihiˌlated or anˈnihiˌlating

1.

to destroy completely; put out of existence; demolish

an atomic bomb can annihilate a city

2.

to consider or cause to be of no importance or without effect; nullify

to annihilate another's ambition

3.

to kill

4.

to conquer decisively; crush

v. an·ni·hi·lat·ed, an·ni·hi·lat·ing, an·ni·hi·lates

v.tr.

1.

a. To destroy completely: The naval force was annihilated during the attack.

b. To reduce to nonexistence: "He had not just to hide his hunger; so as not to go mad he had to annihilate it" (Philip Roth).

c. To defeat decisively: annihilated the league champions in the playoffs.

2. Physics To convert (a subatomic particle) to energy or high-energy particles by annihilation.

v.intr.

1. To be completely destructive.

2. Physics To participate in annihilation. Used of particles and antiparticles.