radioactivity

noun 0.789

radioactive waste

noun 0.778

radionuclide

noun 0.775

radioactive tracer

noun 0.743

radiochemical

noun 0.733

radioisotope

noun 0.729

radioactive decay

noun 0.721

radionucleotide

noun 0.708

radium

noun 0.707

radiotoxicity

noun 0.702

radioactive fallout

noun 0.698

radiation

noun 0.693

radion

noun 0.685

radio

noun 0.675

radiocarbon

noun 0.659

nuclear

noun 0.655

radon

noun 0.653

radiotracer

noun 0.647

atomic

noun 0.635

radiation poisoning

noun 0.634

radiochemistry

noun 0.633

ionizing radiation

noun 0.629

radiate

noun 0.623

radiocolloid

noun 0.612

uranium

noun 0.611

radiological weapon

noun 0.610

alpha radiation

noun 0.609

radio energy

noun 0.607

radiotherapy

noun 0.604

radiopharmaceutical

noun 0.604

radio wave

noun 0.603

nuclear reactor

noun 0.603

background radiation

noun 0.598

radiolabel

noun 0.595

transuranic

noun 0.593

free radical

noun 0.592

radio frequency

noun 0.590

radioiodine

noun 0.590

isotope

noun 0.589

radionecrosis

noun 0.585

oxyradical

noun 0.582

beta radiation

noun 0.582

nuclide

noun 0.582

caesium-137

noun 0.581

rad

noun 0.580

radiocesium

noun 0.578

medical isotope

noun 0.576

nuclear power

noun 0.575

plutonium

noun 0.574

radiation therapy

noun 0.572

radiant

noun 0.572

non-ionizing radiation

noun 0.572

radiator

noun 0.570

nuclear weapon

noun 0.567

gamma ray

noun 0.566

radiation chemistry

noun 0.566

radiocarbon dating

noun 0.565

radioligand

noun 0.564

radioprotective

noun 0.563

nuclear reaction

noun 0.563

radio station

noun 0.563

electromagnetic radiation

noun 0.562

radiation damage

noun 0.560

toxic waste

noun 0.558

carcinogenic

noun 0.557

radioecology

noun 0.557

cosmic ray

noun 0.556

biohazard

noun 0.555

nuclear bomb

noun 0.554

radiolocation

noun 0.554

radiation sickness

noun 0.554

ultraviolet radiation

noun 0.554

radioelement

noun 0.554

dirty bomb

noun 0.553

reactor

noun 0.553

nuclear chemistry

noun 0.553

radar

noun 0.553

onium

noun 0.553

radiotherapist

noun 0.552

radiobiology

noun 0.551

nuclear energy

noun 0.551

kryptonite

noun 0.549

radioassay

noun 0.549

radionics

noun 0.548

fluorescent

noun 0.548

radical

noun 0.548

sealed source

noun 0.546

radiodensity

noun 0.545

carbon-14

noun 0.545

microwave radiation

noun 0.545

radiopharmacy

noun 0.544

atomic bomb

noun 0.543

explosive

noun 0.542

polonium

noun 0.541

nonradical

noun 0.541

radioresistance

noun 0.541

radiosity

noun 0.540

radioreceptor

noun 0.540

hazardous material

noun 0.539

alpha emitter

noun 0.539