アクロニムあくろにむMeanings1nounacronymA word formed from the initial letters of other words, pronounced as a single word (e.g., NATO, UNESCO).「NATO」はアクロニムの一いち例れいです。"NATO" is an example of an acronym.IT用よう語ごにはアクロニムがたくさんある。There are many acronyms in IT terminology.