alpha particle

noun 0.787

alpha emission

noun 0.777

alpha emitter

noun 0.736

alpha decay

noun 0.729

beta radiation

noun 0.703

radiation

noun 0.658

radium

noun 0.628

ionizing radiation

noun 0.625

radioactive

noun 0.609

radioactivity

noun 0.607

gamma ray

noun 0.604

background radiation

noun 0.588

alpha

noun 0.586

ultraviolet radiation

noun 0.583

non-ionizing radiation

noun 0.580

radiate

noun 0.579

radioactive decay

noun 0.573

radiation poisoning

noun 0.571

radiation chemistry

noun 0.570

radon

noun 0.569

radionuclide

noun 0.560

beta particle

noun 0.557

atomic

noun 0.556

radio energy

noun 0.554

radiation shielding

noun 0.553

thermal radiation

noun 0.551

beta decay

noun 0.550

radiation damage

noun 0.547

radiation therapy

noun 0.547

radion

noun 0.547

radiotherapy

noun 0.546

radionucleotide

noun 0.543

radian

noun 0.540

electromagnetic radiation

noun 0.539

microwave radiation

noun 0.535

radiation biology

noun 0.535

radiochemical

noun 0.532

infrared radiation

noun 0.531

radiolysis

noun 0.531

atomic nucleus

noun 0.530

radiocarbon

noun 0.528

radio wave

noun 0.528

actinium

noun 0.522

polonium

noun 0.518

cosmic ray

noun 0.517

nuclear physics

noun 0.517

radiotoxicity

noun 0.516

uranium

noun 0.516

gamma

noun 0.515

rad

noun 0.514

radio

noun 0.512

radiation sickness

noun 0.511

solar radiation

noun 0.511

radiation belt

noun 0.510

charged particle

noun 0.510

radiation pressure

noun 0.508

atomic power

noun 0.508

beta emitter

noun 0.508

nuclear reaction

noun 0.506

proton

noun 0.505

radiative recombination

noun 0.505

radioactive fallout

noun 0.504

radioactive waste

noun 0.503

radioactive tracer

noun 0.503

rutherford

noun 0.502

terahertz radiation

noun 0.502

positronium

noun 0.502

synchrotron radiation

noun 0.501

arc resistance

noun 0.500