An Acronym or Abbreviation is a word or name whose letters are the first letters of a of a phrase or a word, usually individual letters and sometimes syllables. Those abbreviations that are pronounced as words are usually known as Acronyms. Example: NASA can be pronounced as a word and hence it can termed as an Acronym. NASA stands for The National Aeronautics and Space Administration. Example: WSJ which stands for Wall Street Journal cannot be pronounced as a word and is usually pronounced as 'W' 'S' 'J'. Hence WSJ is commonly referred to as an Abbreviation. People often create an acronym/abbreviation that means the same thing as a much longer phrase (set of words). Acronym/Abbreviation is a faster and shorter form of a long word or long phrase. Acronyms/Abbreviations are predominantly used in every field across the world. Example: IT is the Abbreviation of Information Technology.
Abbreviations (the shortened form of a word or phrase) and acronyms (words formed from the initial letters of a phrase) are commonly used in technical writing. Science Information Technology Abbreviations lists the set of commonly used abbreviations/acronyms in the field of Science and Information Technology.

The table below lists the Science Information Technology Abbreviations in alphabetical order.