气门心 qìménxīn valve core Definitions Defs Origin Strokes Stroke Words Sentences Sents qìménxīn valve core 气门 氣門 qìmén valve A valve that controls the entry or exit of air, such as a tire valve or an engine valve; (obsolete) term for an accelerator 油门 yóumén心 xīn noun center the middle or interior part of something; the coreqìménxīn hothead 气门 氣門 qìmén valve A valve that controls the entry or exit of air, such as a tire valve or an engine valve; (obsolete) term for an accelerator 油门 yóumén心 xīn noun intention purpose; motive; moral character or disposition