radioactive
- adjective
- /ˌreɪdiəʊˈæktɪv/
- Specialized
- The area around the nuclear power plant is considered radioactive and off-limits.
- radioactive waste
- radioactive material
- radioactive decay
I mean, no searches for peace in a dangerous radioactive wasteland.
- I mean, no searches for peace in a dangerous radioactive wasteland.
- There are all sorts of radioactive components from the stuff inside the reactor.
- They're in cooling pools right nearby and they're incredibly radioactive.
- And then the sequences are identified through radioactive hybrid hybridization with radioactive probes.
- And we can date all of that with radioactive techniques.
Examples
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Much is made of the fact that these wastes are radioactive.
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Now it is not inconceivable that this facility may have leaked some radioactive material.
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But the core problem associated with waste is radioactive half life.
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The water here is as radioactive as that in the village.
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The largest problem is, of course, what to do with the radioactive waste.
Academic text (2012) -
I take radioactive samples and I study them.
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That's the largest hot cell in the United States, the most radioactive room in the world.
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It creates this radioactive dust, which is a big problem.
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PET scanning is based on injecting a small amount of radioactive sugar into a person.
Academic text (2008) -
I have an idea about deactivating radioactive waste using some of the energy released by the fission.
Academic text (2011)
Antonyms
Compounds
- Specialized
A substance that gives off invisible energy that can harm people and animals
- Specialized
A way to find how old things are by measuring atoms that have broken apart inside them
Tiny particles that fall after a nuclear explosion or accident and give off harmful radiation
- Specialized
Radioactive material from medical tests and hospital procedures that has low radiation and needs safe handling
- Specialized
Highly radioactive material left after nuclear fuel is used that needs safe storage for a long time
- Specialized
A medical test that measures how much radioactive iodine is in the urine to check the thyroid
- Specialized
A test that checks how the thyroid takes a small amount of radioactive iodine
- Specialized
A test that measures how much radioactive iodine the thyroid takes to see how well it works
How Radioactive
- Specialized
Surface Forms
Morphology
Etymology
Radioactive comes from the part radio-, from a Latin word meaning 'ray', and -active, meaning 'doing'. So something radioactive is 'doing' or giving off rays or energy, which is why we use the word for materials that send out dangerous radiation.