An acronym is a pronounceable word formed from the first letter or first few letters of each word in a phrase or title. Sometimes the newly-combined letters create a new word that takes the place in everyday language. Using this shortened form of a word or phrase can speed up communication. Here is a list of common acronyms, listed by category.
These acronyms are very widely used, making them some of the most popular to appear in the English language.
These examples of acronyms show how a few, well-chosen letters can be a quick way to communicate.