Annihilation meaning: 3 meanings

3 meanings : 1. total destruction 2. the act of annihilating 3. physics the destruction of a particle and its antiparticle when.... Click for more definitions. Definition of annihilation noun in Oxford Advanced Learner's Dictionary. Meaning , pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Annihilation definition : an act or instance of annihilating, or of completely destroying or defeating someone or something.. See examples of ANNIHILATION used in a sentence. The meaning of ANNIHILATION is the state or fact of being completely destroyed or obliterated : the act of annihilating something or the state of being annihilated. How to use annihilation in a sentence.