aniquilación
annihilation
Origin: Medieval Latin annihilare (to reduce to nothing), from nihil (nothing)
Also means
destruction
Usage Note
Aniquilación denotes the total destruction or elimination of something — stronger than destrucción and implying no remnant survives. In physics, aniquilación specifically describes the mutual destruction of a particle and its antiparticle (e.g. aniquilación electrón-positrón). The related verb is aniquilar; the agent noun is aniquilador. In everyday speech it can hyperbolically describe a crushing defeat.
Examples
"La aniquilación del ejército enemigo marcó el fin de la guerra."
Natural Translation
The annihilation of the enemy army marked the end of the war.

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