GNU Collaborative International Dictionary of English

last match results

Found one definition

1.       
   maser (?), n.
   1. Same as Mazer.
   
   [1913 Webster]
   
   
   2. (Physics) [from Microwave Amplification by Stimulated Emission of Radiation.] An electronic device producing coherent monochromatic microwave radiation; it produces less noise than other forms of microwave oscillator. [acronym]
   
   [PJC]