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Definitions

long-lived

[lawng-lahyvd, -livd, long-] / ˈlɔŋˈlaɪvd, -ˈlɪvd, ˈlɒŋ- /


Example Sentences

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While conventional nuclear plants split heavy atoms in a process called fission, fusion does the opposite: It combines light atomic nuclei into heavier ones, releasing enormous energy without greenhouse-gas emissions or long-lived radioactive waste.

From The Wall Street Journal • Jun. 9, 2026

It supports the idea that nature's long-lived species may contain biological tools that can be studied, adapted, and possibly used to improve health in other animals.

From Science Daily • May 10, 2026

"We most importantly choose this moment to challenge this generation and the next, to make sure this record is not long-lived," Hansen said.

From Barron's • Apr. 6, 2026

Unlike fission, nuclear fusion generates “no long-lived radioactive waste,” Bechtel says, and unlike fossil fuels, it doesn’t involve burning finite resources and creating carbon emissions.

From The Wall Street Journal • Apr. 6, 2026

The long-lived information is not the characteristically human information.

From "Cosmos" by Carl Sagan




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