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Definitions from WordNet

Definitions from the Web

Radioactivity

Definition: Radioactivity is the spontaneous emission of radiation from an unstable atomic nucleus, resulting in the decay of the nucleus and the release of energy.

Parts of Speech:

• Noun: The radioactivity of the substance was measured using a Geiger counter.

Senses:

Sense 1:

Noun: The property or phenomenon of spontaneous nuclear decay, often resulting in the emission of radiation.

Example: The radioactivity of the radioactive material was deemed extremely hazardous.

Usages:

Popular Usage:

Noun: Radioactivity is commonly associated with the dangers of nuclear power.

Example: The news report highlighted the potential risks of exposure to radioactivity in the event of a nuclear accident.

Local Usage:

Noun: The local community organized a protest against the disposal of radioactive waste due to concerns about increased radioactivity in the area.

Adjective: The scientists conducted tests to measure the level of radioactivity in the groundwater near the nuclear power plant.

Adverb: The radiation sign displayed at the entrance warned visitors to the facility to handle the materials carefully due to their radioactively.

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