RAI stands for various terms. Discover the full forms, meanings, and possible interpretations of RAI across different fields and industries.
An isotope of the element iodine, which is radioactive and which is sometimes used as a radioactive tracer.
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AirportAirport CodeAviationIATAIATA CodeRadioactive isotope, also called radioisotope, any of several species of the same chemical element with different masses whose nuclei are unstable and dissipate excess energy by spontaneously emitting radiation in the form of alpha, beta, and gamma rays.
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