tachyonEnglishOxford New American Dictionarytachyon /ˈtakēˌän, ˈtækiˌɑn / ▸ noun Physics a hypothetical particle that travels faster than light. – ORIGIN 1960s : from tachy- ‘swift’ + -on.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
