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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

If it works, it could provide potentially limitless electricity without greenhouse gases or long-lived radioactive waste.

From The Wall Street Journal • May 1, 2026

Reflecting on the achievement, astronaut Hansen said the moment should "challenge this generation and the next, to make sure this record is not long-lived."

From Barron's • Apr. 10, 2026

Another factor to consider is that my family tends to be long-lived — I still have a grandparent living independently at age 102.

From MarketWatch • Feb. 27, 2026

Lawrence granted him priority access to both the thirty-seven-inch and sixty-inch cyclotrons for a “systematic and energetic campaign” to find long-lived radioactive isotopes of carbon, nitrogen, or oxygen, with carbon-14 the main quarry.

From "Big Science" by Michael Hiltzik




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