acronym /'aekranim; 'aekronim/ n [C]word formed from the initial letters of a name, eg NASA /'naesa; 'naesa/ National Aeronautics and Space Administration. 字首組字(由一名稱之各字首字母所組成的字，例如 NASA, 系由 National Aeronautics and Space Administration 國家航空及太空總置之字首所組成)。 → App 2. 參看附錄二。