Merriam-Webster Online Dictionary

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One entry found for annihilate.
Main Entry: anĚniĚhiĚlate
Pronunciation: &-'nI-&-"lAt
Function: verb
Inflected Form(s): -latĚed; -latĚing
Etymology: Late Latin annihilatus, past participle of annihilare to reduce to nothing, from Latin ad- + nihil nothing -- more at NIL
Date: 1525
transitive verb
1 a : to cause to be of no effect : NULLIFY b : to destroy the substance or force of
2 : to regard as of no consequence
3 : to cause to cease to exist; especially : KILL
4 a : to destroy a considerable part of <bombs annihilated the city> b : to vanquish completely : ROUT <annihilated the visitors 56-0>
5 : to cause (a particle and its antiparticle) to vanish by annihilating
intransitive verb, of a particle and its antiparticle : to vanish or cease to exist by coming together and changing into other forms of energy (as photons)
- anĚniĚhiĚlaĚtion /-"nI-&-'lA-sh&n/ noun
- anĚniĚhiĚlaĚtor /-"lA-t&r/ noun
- anĚniĚhiĚlaĚtoĚry /-'nI-&-l&-"tor-E/ adjective