核かく軍ぐん拡かく競きょう争そうMeaningsNoun1. nuclear arms raceKanji used核nucleus軍army拡expand horizontally競compete争conflictComposed of核かくstone (of a fruit); pit; pip; core (of an organization, team, etc.); nucleus; heart; nuclear weapons; nucleus (of an atom); nucleus (of a cell); condensation nucleus; …Noun軍ぐん拡かくmilitary expansion; arms buildupNoun競きょう争そうcompetition; contest; rivalry; race; competition (between organisms or species)Noun