谈天衍 tántiānyǎn Zou Yan Origin Definitions Defs Strokes Stroke Words Sentences Sents 谈天 談天 tántiān to engage in grand discourse (literary) To discuss the heavens and the five elements; to engage in grand or cosmic discourse (often in reference to the Warring States philosopher 邹衍 zōuyǎn, known as 谈天衍 tántiānyǎn)衍 yǎn surname a Chinese surname