单词	annihilations
释义	annihilation noun an·​ni·​hi·​la·​tion ə-ˌnī-ə-ˈlā-shən  plural annihilations 1 : the state or fact of being completely destroyed or obliterated : the act of annihilating something or the state of being annihilated The late 1940s and '50s were so pervaded by a general fear of nuclear annihilation that the era was known as the Age of Anxiety. Charles Krauthammer For a literary culture that fears it is on the brink of total annihilation, we are awfully cavalier about the Great Male Novelists of the last century. Katie Roiphe … few experts believe that either regime would risk annihilation by actually launching a nuke in anger. Michael Elliott The Cretaceous Extinction, whatever its cause, was one of the two most awesome annihilations of life in the history of the world. John McPhee 2 physics : the combination of a particle and its antiparticle (such as an electron and a positron) that results in the subsequent total conversion of the particles into energy Both the creation and annihilation of antimatter have been observed in nuclear accelerators (atom-smashers). Harding E. Smith The annihilation reactions are the most efficient sources of energy known, for in them the entire mass of both particles is converted into pure energy. George Greenstein Synonyms decimation demolishment demolition desolation destruction devastation extermination extinction havoc loss mincemeat obliteration ruin ruination wastage wreckage See all Synonyms & Antonyms Word History First Known Use circa 1526, in the meaning defined at sense 1 Phrases Containing annihilation self-annihilation self-annihilation annihilations noun plural of annihilation as in destructions the state or fact of being rendered nonexistent, physically unsound, or useless idealists who seek the annihilation of all forms of prejudice Synonyms & Similar Words Relevance destructions devastations extinctions demolitions exterminations obliterations losses ruins disintegrations wastages havoc decimations massacres demolishments collapses wreckages ruinations depredations desolations slaughters executions mincemeats assassinations killings dissolutions breakups eradications despoliations dismantlements despoilments effacements Antonyms & Near Antonyms buildings constructions salvations savings rescues erections preservations salvages conservations reclamations reconstructions restorations protections refurbishments renovations regeneracies re-creations See More
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