Recent Examples of isotope from the Web
Litvinenko, who had defected to Britain and publicly criticized Putin, died in November 2006, three weeks after drinking tea containing the radioactive isotope polonium-210.
Litvinenko was poisoned to death in London with a rare radioactive isotope, polonium-210, the next month.
But in 2006, Alexander Litvinenko, a former Russian spy, met his downfall after reportedly sipping on tea laced with a rare radioactive isotope, polonium-210.
Delays that pose an inconvenience for other commercial goods are existential threats in the daily global relay race of medical isotopes that disappear hour by hour.
Like radiocarbon dating, uranium-thorium dating relies on how the radioactive isotopes have decayed to find a date.
Through the magic of an isotope-analyzing machine and lots of thought, Chartrand concluded that Madame Victoria had lived in seven different regions in the last three years of her life, beginning in northern Ontario or Quebec.
Since the mid-20th century, a mole has been defined as the number of atoms in 12 grams of the most common isotope of carbon, the fundamental element of life.
Memories of the 1986 Chernobyl disaster resurfaced in November when scientists tracked a cloud of radioactive isotopes that appeared to originate from Russia.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'isotope.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of isotope
First Known Use: 1913See Words from the same year
ISOTOPE Defined for English Language Learners
Definition of isotope for English Language Learners
chemistry : any one of various forms in which the atoms of a chemical element can occur
medical Definition of isotope
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