radar

noun 0.760

radar reflector

noun 0.678

passive radar

noun 0.651

radome

noun 0.636

oscilloscope

noun 0.590

radio alarm

noun 0.585

riflescope

noun 0.577

radio beacon

noun 0.566

rad

noun 0.560

bombsight

noun 0.557

ray gun

noun 0.556

radio telescope

noun 0.547

hodoscope

noun 0.545

bioscope

noun 0.541

scatterometer

noun 0.534

ham radio

noun 0.531

radio modem

noun 0.529

radiotelegraph

noun 0.525

radiophone

noun 0.524

periscope

noun 0.524

death ray

noun 0.524

radioman

noun 0.522

radio

noun 0.522

rangefinder

noun 0.521

radioelement

noun 0.520

rawinsonde

noun 0.520

radion

noun 0.519

metal detector

noun 0.517

gunsight

noun 0.516

spectrum analyzer

noun 0.515

radio astronomer

noun 0.514

radiometer

noun 0.513

radio officer

noun 0.512

car radio

noun 0.512

light gun

noun 0.510

radio telemetry

noun 0.508

radioreceptor

noun 0.508

radio astronomy

noun 0.508

spectroscope

noun 0.507

radionics

noun 0.506

scanner

noun 0.504

sonar

noun 0.504

iconoscope

noun 0.503