initialism
US /ɪˈnɪʃ.ə.lɪz.əm/
UK /ɪˈnɪʃ.ə.lɪz.əm/

名词
1.
首字母缩写
an abbreviation consisting of the first letter or letters of words in a phrase, usually pronounced as separate letters
示例:
•
FBI is an initialism for Federal Bureau of Investigation.
FBI 是联邦调查局的首字母缩写。
•
Unlike an acronym, an initialism is pronounced letter by letter.
与首字母拼音词不同,首字母缩写是逐字母发音的。
在 Lingoland 学习这个单词