initialism
noun /ɪnˈɪʃəlɪzəm/
/ɪnˈɪʃəlɪzəm/
- a word formed from the first letters of the words that make up the name of something, with each letter pronounced separately, for example ‘CD’ is an initialism for ‘compact disc’
首字母缩略词（缩略词按每个字母单独发音，如 CD）