data dictionarynoun [ C ]
ukusIT the part of a database that is used to store information about what is in the database, how it is organized, etc.:
The SLS data dictionary provides information on the variables held in the SLS database.
英语词典包含110679条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。