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The Clue
Electromagnetic wave amplifiers (6 letter answer)
The Answer
MASERS
Tags
Notes
The answer MASERS is so rare that it appears less than once every 2500 puzzles.
Related Clues
Electronic devices
Devices for amplifying electromagnetic waves
Definition
MASER as a noun:
1. 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