Famous acronyms you should definitely know the meaning of
IMAX: The IMAX in IMAX Theater actually stands for Image Maximum, which is a large-format movie theater.
RADAR: RADAR stands for the technology called "radio detection and ranging.
TASER: The electrical weapon is actually an acronym for Thomas A.
SCUBA: This piece of diving equipment is an acronym for "self-contained underwater breathing apparatus.
SIM: An essential device in order to use your phone your SIM card is actually an abbreviation for "Subscriber Identity Module.
AM and PM: You probably use these acronyms every day.
NASA: The American space agency actually stands for National Aeronautics and Space Administration.
CAPTCHA: CAPTCHA stands for completely Automated Public Turing test to tell Computers and Humans Apart.
LASER: The letters in this word stands for Light Amplification by Stimulated Emission of Radiation.
Yahoo: You probably wouldn't have guessed this but Yahoo stands for Yet Another Hierarchically Organized Oracle.