Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The strontium isotope with mass 90, having a half-life of 28 years, used for its high-energy beta emission in certain nuclear electric power sources and constituting a radiation hazard in fallout.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics The
radioactive isotope ofstrontium , 9038Sr, that is present in thefallout fromnuclear explosions and, being chemically similar tocalcium , is accumulated in thebones
Etymologies
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Examples
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Other concerns are strontium-90, which is drawn to bone, and two forms of radioactive cesium, which persists in nature for decades and can work its way into the food chain.
Radiation risk from Japan puts prevention plans to test 2011
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The accident at the Chernobyl nuclear power plant, for example, released a large quantity of strontium-90 into the environment, depositing it in the then-Soviet republics, northern Europe and elsewhere.
Damaged Nuclear-Power Plants Could Spew Range of Emissions Gautam Naik 2011
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However strontium-90 is one of the most dangerous by-products of a nuclear accident.
Broadcaster Says IAEA Will Seek Transparency on Fukushima Accident 2011
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In a new revelation Thursday, the government said minute amounts of strontium-90 have been detected in 11 soil samples taken from as far as 62 kilometers from the Fukushima plant.
Broadcaster Says IAEA Will Seek Transparency on Fukushima Accident 2011
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In a new revelation Thursday, the government said minute amounts of strontium-90 have been detected in 11 soil samples taken from as far as 62 kilometers from the Fukushima plant.
Broadcaster Says IAEA Will Seek Transparency on Fukushima Accident 2011
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A cocktail of cesium-137, iodine-131, and strontium-90, pretty specific to former USSR installations.
Rogue Oracle 2011
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A cocktail of cesium-137, iodine-131, and strontium-90, pretty specific to former USSR installations.
Rogue Oracle 2011
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Swept out to sea, depending on the material, many radioactive isotopes such as cesium-137 and strontium-90 usually sink and then remain suspended at depth in the ocean water, sometimes for decades, but have little direct effect on salt-water fish, scientists said.
Nuclear Impact on Marine Life Is Expected to Be Minimal Robert Lee Hotz 2011
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Consumer Union's multi-city surveys found disturbingly high concentrations of strontium-90, a radioactive element that can cause genetic damage and cancer.
First baby boomers hit retirement age. Those whippersnappers! 2011
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However strontium-90 is one of the most dangerous by-products of a nuclear accident.
Broadcaster Says IAEA Will Seek Transparency on Fukushima Accident 2011
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