The Open Dictionary

acronym

noun

UK/ˈæk.rə.nɪm/
US/ˈæk.rə.nɪm/

Definitions of acronym noun

  1. Countable

    A word formed from the initial letters of a series of words, and pronounced as a single word.

    • NASA is an acronym for the National Aeronautics and Space Administration.

    • Laser is an acronym for Light Amplification by Stimulated Emission of Radiation.

    • UNESCO is the acronym for the United Nations Educational, Scientific and Cultural Organization.