annihilation

noun
an*ni*hi*la*tion \ ə-ˌnī-ə-ˈlā-shən \
circa 1526{ds||1||}
  • the state or fact of being completely destroyed or obliterated : the act of annihilating something or the state of being annihilated
  • the combination of a particle and its antiparticle (such as an electron and a positron) that results in the subsequent total conversion of the particles into energy

self-annihilation

noun
self-an*ni*hi*la*tion \ ˌself-ə-ˌnī-ə-ˈlā-shən \
1641
  • annihilation of the self (as in mystical contemplation of God)
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