Chiefly with reference to the philosophy of Kant: the quality of reasoning by a series of logical steps.
1940s; earliest use found in Mind. From discursive + -ity, after German Diskursivität.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。