Answer: masers

AnswerCrossword Clue
MASERSGenerators of microwaves
MASERSElectromagnetic wave enhancers
MASERSElectromagnetic wave amplifiers
MASERSMicrowave radiation devices.
MASERSMicrowave amplifiers.
MASERSElectronic devices
MASERSDevices for amplifying electromagnetic waves
MASERSAtomic clock components
masersdevice for producing electromagnetic waves
masersMASER, a device for amplifying electrical impulses