descriptor

descriptor
noun
  1. an element or term that has the function of describing, identifying, or indexing in particular
    标志成分(指具有描述、识别和索引编制功能的成分或词语),尤指
    ■(Linguistics)a word or expression used to describe or identify something
    (语言学)描写词语,描述词语
    ■(Computing)a piece of stored data that indicates how other data is stored
    (计算机)描述符,解说符
语源
  1. 1930s: from Latin, literally describer', from descript- 'written down', from the verb describere (see describe)
英语宝典
考试词汇表