核かく拡かく散さんMeaningsNoun1. nuclear proliferationKanji used核nucleus拡expand horizontally散scatter aroundPitch accentかくかくさんComposed 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拡かく散さんspreading; disseminating; scattering; diffusion (of light, gas)Noun