long-lived
UK /ˈlɒŋˈlɪvd/ US /ˈlɒŋˈlɪvd/
adj 2
Definitions
adj
1
Having a long lifespan; surviving for a long period of time.
2
Of a radioisotope: having a long half-life.
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adj
Having a long lifespan; surviving for a long period of time.
Of a radioisotope: having a long half-life.