radioactive
IPA: reɪdioʊˈæktɪv
noun
- Any radioactive substance.
adjective
- Exhibiting radioactivity.
- (figurative, rare) Dangerous and disgusting, particularly of people or ideas.
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Examples of "radioactive" in Sentences
- Theradon are still radioactive.
- Radioactive cesium is dangerous.
- The fire dispersed most of the radioactive contamination.
- The radioactive source is in red, and the gamma rays are yellow.
- The compound is radioactive due to the radioactivity of thorium.
- The cloud carried the radioactive contaminants into the stratosphere.