核心 héxīn HSK6 core Definitions Defs Origin Strokes Stroke Words Sentences Sents héxīn core 核 hé noun nucleus (bound form) something resembling a fruit stone in shape or central position, such as a cell nucleus or the core of a matter心 xīn noun center the middle or interior part of something; the corehéxīn nuclear core 核 hé noun nuclear (bound form) relating to the nucleus of an atom; nuclear power or weaponry心 xīn noun center the middle or interior part of something; the core