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descriptor

noun
🔊/dɪˈskrɪptə(r)/
🔊/dɪˈskrɪptər/
 (linguistics语言学)
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  1. a word or expression used to describe or identify something叙词Topics Languagec2
  2. (computing计算机) a piece of additional information that describes the purpose and format of other data
    • The Global Descriptor Table is a data structure used to define the characteristics of the various memory areas used during program execution.全局描述符表是一种数据结构，用于定义程序执行期间使用的各种存储区的特性。
    3. Word Origin1930s: from Latin, literally ‘describer’, from descript- ‘written down’, from the verb describere ‘write down’ from de- ‘down’ + scribere ‘write’.