maser

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noun ma·ser \ˈmā-zər\

Definition of maser

  1. :  a device or object that emits coherent microwave radiation produced by the natural oscillations of atoms or molecules between energy levels

Origin and Etymology of maser

microwave amplification by stimulated emission of radiation


First Known Use: 1955


Medical Dictionary

maser

play
noun ma·ser \ˈmā-zər\

Medical Definition of maser

  1. :  a device that utilizes the natural oscillations of atoms or molecules between energy levels for generating electromagnetic radiation in the microwave region of the spectrum


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