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- Dictionaryannihilation/əˌnʌɪəˈleɪʃn/
noun
- 1. complete destruction or obliteration: "the threat of global annihilation"
- 2. the conversion of matter into energy, especially the mutual conversion of a particle and an antiparticle into electromagnetic radiation.
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ANNIHILATION definition: 1. complete destruction, so that nothing or no one is left: 2. complete defeat: 3. complete…. Learn more.
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.
Annihilation is the total destruction of something. In World War II, our nuclear bombs resulted in the annihilation of Hiroshima. If you spill milk on your textbooks, it won’t result in annihilation — this word is much more serious.
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.
ANNIHILATE definition: 1. to destroy something completely so that nothing is left: 2. to defeat completely: 3. to…. Learn more.
Definition of annihilation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
noun. 1. Utter destruction: eradication, extermination, extinction, extinguishment, extirpation, liquidation, obliteration. 2. An often formal act of putting an end to: abolishment, abolition, abrogation, annulment, cancellation, defeasance, invalidation, negation, nullification, voidance.
noun. 1. total destruction. 2. the act of annihilating. 3. physics. the destruction of a particle and its antiparticle when they collide. The annihilation of an electron with a positron generates two or, very rarely, three photons of annihilation radiation. The annihilation of a nucleon with its antiparticle generates several pions.
Annihilation definition: The phenomenon in which a particle and an antiparticle, such as an electron and a positron, meet and are converted to a combination of energy or energetic particles approximately equivalent to the sum of their masses.
Annihilate definition: to reduce to utter ruin or nonexistence; destroy utterly. See examples of ANNIHILATE used in a sentence.
