annihilation
noun
[ ənʌɪɪˈleɪʃ(ə)n ]
• complete destruction or obliteration.
• "the threat of global annihilation"
• the conversion of matter into energy, especially the mutual conversion of a particle and an antiparticle into electromagnetic radiation.
Origin:
mid 16th century: from late Latin annihilatio(n- ), from the verb annihilare (see annihilate).
