m 3 a 1 s 1 e 1 r 1
5 letters · 7 points in Scrabble
Meaning
noun an acronym for microwave amplification by stimulated emission of radiation; an amplifier that works on the same principle as a laser and emits coherent microwave radiation
originFrom MASER, acronym of microwave amplification by stimulated emission of radiation.
Etymology from Wiktionary, CC BY-SA 3.0