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1. Dictionary

   an·ni·hi·la·tion

   /əˌnīəˈlāSHən/

   noun

   • 1. complete destruction or obliteration: "the threat of global annihilation"
   • ▪ total defeat: "a show of independence is its only hope of avoiding annihilation in next year's elections"
   • 2. the conversion of matter into energy, especially the mutual conversion of a particle and an antiparticle into electromagnetic radiation.

   Word Origin mid 16th century: from late Latin annihilatio(n-), from the verb annihilare (see annihilate).

   Scrabble Points: 15

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2. www.merriam-webster.com › dictionary › annihilationAnnihilation Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › annihilation

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   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.

3. dictionary.cambridge.org › dictionary › englishANNIHILATION | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   noun [ U ] uk / əˌnaɪ.əˈleɪ.ʃ ə n / us / əˌnaɪ.əˈleɪ.ʃ ə n / Add to word list. complete destruction, so that nothing or no one is left: During the Cold War the threat of nuclear annihilation was always on people's minds. informal. complete defeat: The candidate suffered annihilation at the polls. Fewer examples.

4. www.dictionary.com › browse › annihilationANNIHILATION Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › annihilation

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   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.

5. dictionary.cambridge.org › dictionary › englishANNIHILATE | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   ANNIHILATE definition: 1. to destroy something completely so that nothing is left: 2. to defeat completely: 3. to…. Learn more.

6. www.vocabulary.com › dictionary › annihilationAnnihilation - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › annihilation

   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.

7. www.thefreedictionary.com › annihilationAnnihilation - definition of annihilation by The Free Dictionary

   www.thefreedictionary.com › annihilation

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   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.

8. www.collinsdictionary.com › dictionary › englishANNIHILATION definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   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.

9. dictionary.cambridge.org › us › dictionaryANNIHILATE | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   ANNIHILATE meaning: 1. to destroy something completely so that nothing is left: 2. to defeat completely: 3. to…. Learn more.

10. www.oxfordlearnersdictionaries.com › us › definitionannihilation noun - Definition, pictures, pronunciation and usage...

    www.oxfordlearnersdictionaries.com › us › definition

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    Definition of annihilation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

11. www.merriam-webster.com › dictionary › annihilateAnnihilate Definition & Meaning - Merriam-Webster

    www.merriam-webster.com › dictionary › annihilate

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    The meaning of ANNIHILATE is to cause to cease to exist : to do away with entirely so that nothing remains. How to use annihilate in a sentence.