radioactive
Emitting nuclear particles
Radioactive describes materials that emit radiation as their atomic nuclei decay.
Radioactive waste, radioactive isotopes, radioactive contamination.
The word extends figuratively to anything dangerously volatile or best avoided: That topic is radioactive right now.
A person or issue described as radioactive is toxic to associate with—likely to damage anyone who gets too close.
Element ninety-two
- plutoniumActinide, atomic number 94
- fissionNuclear breakup releasing energy
- fusionJoining into unity
- reactorControlled fission apparatus
isotope · neutron · chain reaction · critical mass · enrichment · centrifuge · half-life · decay
Introduction of impurities
- meltdownCatastrophic loss of control
- falloutPost-blast atmospheric particles
- exposureState of being unprotected
- leakageUnintended fluid escape
biohazard · hazmat · warning · trefoil · shielding · protective suit · exclusion zone · decontamination
Cancer medicine specialty
- tracerPath-marking projectile
- isotopeElemental variant by mass
- iodine-131Radioactive halogen isotope
- technetiumFirst artificially produced element
PET scan · imaging · brachytherapy · tumor · cancer · nuclear medicine · cobalt-60 · radium
First Greek letter
- betaGreek alphabet's second letter
- gammaGreek alphabet's third
- ionizingProducing charged particles
- particlesMinute pieces of matter
rays · decay · half-life · emit · radiate · Geiger counter · dosimeter · roentgen
Heatless light emission
- phosphorescenceHeatless delayed light emission
- radium dialGlow-painted clock surface
- green glowLight in nature's hue
- eerieDisturbingly strange
uranium
Element ninety-two
reactor · isotope · neutron · chain reaction · critical mass · enrichment · centrifuge · half-life · decay · nucleus
contamination
Introduction of impurities
- meltdownCatastrophic loss of control
- falloutPost-blast atmospheric particles
- exposureState of being unprotected
leakage · biohazard · hazmat · warning · trefoil · shielding · protective suit · exclusion zone · decontamination · disposal
oncology
Cancer medicine specialty
- tracerPath-marking projectile
- isotopeElemental variant by mass
- iodine-131Radioactive halogen isotope
technetium · PET scan · imaging · brachytherapy · tumor · cancer · nuclear medicine · cobalt-60 · radium · Marie Curie
alpha
First Greek letter
particles · rays · decay · half-life · emit · radiate · Geiger counter · dosimeter · roentgen · curie
luminescence
Heatless light emission
- phosphorescenceHeatless delayed light emission
- radium dialGlow-painted clock surface
- green glowLight in nature's hue
eerie · glowing · luminous · watch dial · glow-in-the-dark
- nuclear energynuclear power, nuclear reactors, nuclear fission, nuclear fusion, uranium
- ChernobylPripyat, exclusion zone, meltdown, nuclear disaster, explosion
- hazmathazmat suit, hazmat, hazardous materials, biohazard, dangerous goods
- hazardsfire hazard, fire hazards, toxin, contamination, tripping hazard
- safety signswarning sign, warning signs, danger sign, caution sign, warning labels
- high energygamma rays, cosmic rays, particle accelerator, synchrotron, neutrinos
radioactivestable
Secure and unchanging
nonradioactive · inert · inactive · decayed · spent
- radioactive wasteHazardous nuclear byproducts
- radioactive decayUnstable atoms releasing energy
- radioactive cloudAirborne mass carrying nuclear particles
- radioactive elementsNuclei that spontaneously decay
- radioactive falloutContaminated particles descending post-blast
- radioactive isotopesUnstable atomic forms emitting particles
radioactivity, radioactive decay, radioactively, nonradioactive, radioactive waste, radioactivities