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annatto
anneal
annelid
annex
annexe
annexin
Annie Oakley
annihilate
annihilation
Anniston
anniversary
anno Domini
anno Hegirae
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annihilation

an·ni·hi·la·tion [ ə n ə láysh'n ]


noun 
Definition:
 
1. destruction: the complete destruction of something

2. defeat of opponent: the decisive defeat of an opponent ( informal )

3. nuclear physics destructive collision of particle and antiparticle: the process in which a particle combines with its antiparticle, destroying both and releasing their energy in the form of radiation or other particles
annihilation radiation

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