acronym
/ˈækrənɪm; `ækrənɪm/ n word formed from the initial letters of a group of words, eg UNESCO / ju:5neskEU; ju`nZsko/, ie United Nations Educational, Scientific and Cultural Organization 首字母缩略词（由一组词中各词的首字母组合而成的词, 如UNESCO是由United Nations Educational, Scientific and Cultural Organization各词的首字母组成的词）.
