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Definitions

radioactivity

[rey-dee-oh-ak-tiv-i-tee] / ˌreɪ di oʊ ækˈtɪv ɪ ti /


NOUN
radiation
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In normal circumstances, cooling fuel rods lose a massive amount of energy and radioactivity — by a factor of 10 — every seven days, said Patrick Regan, nuclear physics professor at the University of Surrey.

From Seattle Times

Downwind, they found it had produced a minor trail of weak radioactivity that led to the city’s edge and a dense bamboo forest.

From New York Times

Other measurements, such as radioactivity, could help explain lunar volcanoes' extended activity.

From Scientific American

From Marie and Pierre Curie’s pioneering research on radioactivity to the huge international team behind the Laser Interferometer Gravitational-Wave Observatory and the discovery of gravitational waves, collaboration has been a constant in science.

From Seattle Times

That lets the pilot project avoid having to source rare, radioactive tritium and deal with the excess heat and generated radioactivity.

From Science Magazine