radioactive

noun 0.789

radiation

noun 0.738

radioactive decay

noun 0.731

radiotoxicity

noun 0.725

radioactive waste

noun 0.674

radiochemistry

noun 0.674

radiotherapy

noun 0.650

radioisotope

noun 0.646

radionuclide

noun 0.645

radium

noun 0.639

radiochemical

noun 0.633

ionizing radiation

noun 0.632

radiation chemistry

noun 0.621

background radiation

noun 0.618

radio

noun 0.610

alpha radiation

noun 0.607

radiation therapy

noun 0.606

electromagnetic radiation

noun 0.606

radio energy

noun 0.603

radioactive tracer

noun 0.602

nuclear chemistry

noun 0.597

radiobiology

noun 0.597

radiation biology

noun 0.596

radioactive fallout

noun 0.595

radiation poisoning

noun 0.594

nuclear energy

noun 0.594

radionucleotide

noun 0.592

nuclear power

noun 0.590

beta radiation

noun 0.590

radioecology

noun 0.586

radiocarbon

noun 0.584

radion

noun 0.581

radiosity

noun 0.581

ultraviolet radiation

noun 0.578

activity

noun 0.578

electroactivity

noun 0.577

radiology

noun 0.577

radio frequency

noun 0.575

radio wave

noun 0.571

radiosensitivity

noun 0.571

nuclear physics

noun 0.571

nuclear reaction

noun 0.565

radiolysis

noun 0.564

nuclear

noun 0.563

reactivity

noun 0.561

radiation sickness

noun 0.559

atomic

noun 0.559

radiation damage

noun 0.558

fluorescence

noun 0.558

nuclear reactor

noun 0.556

non-ionizing radiation

noun 0.555

microwave radiation

noun 0.554

radon

noun 0.553

atomic power

noun 0.552

electricity

noun 0.551

radiocarbon dating

noun 0.551

radiotracer

noun 0.551

hyperactivity

noun 0.550

radiolocation

noun 0.548

thermal radiation

noun 0.548

radiometry

noun 0.548

solar radiation

noun 0.546

radiopacity

noun 0.546

infrared radiation

noun 0.546

radiate

noun 0.543

magnetism

noun 0.542

radioassay

noun 0.539

radiocommunication

noun 0.539

uranium

noun 0.537

transmutation

noun 0.537

pollution

noun 0.536

emission

noun 0.535

atomic fission

noun 0.534

radiancy

noun 0.534

radionics

noun 0.532

health physics

noun 0.532

gamma ray

noun 0.530

luminescence

noun 0.530

overactivity

noun 0.530

alpha decay

noun 0.530

radicalism

noun 0.529

radiation pressure

noun 0.529

isotope

noun 0.528

static electricity

noun 0.527

radioresistance

noun 0.526

bioactivity

noun 0.525

radiodensity

noun 0.525

toxicity

noun 0.524

radionecrosis

noun 0.524

radioautography

noun 0.524

radioiodine

noun 0.523

activism

noun 0.522

activeness

noun 0.522

nuclear fission

noun 0.521

electromagnetic energy

noun 0.520

terahertz radiation

noun 0.519

half-life

noun 0.519

chemical reaction

noun 0.519

radiation shielding

noun 0.519

conductivity

noun 0.519