long-lived

[lawng-lahyvd, -livd, long-]
adjective
1.
having a long life, existence, or duration: a long-lived man; long-lived fame.
2.
(of an object) lasting or functioning a long time: a long-lived battery.

Origin:
1375–1425; late Middle English; see long1, lived

long-livedness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
long-lived
 
adj
having long life, existence, or currency
 
long-'livedness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Example sentences
Now biologists are on the tail of these deep-diving, long-lived, sociable and
  mysterious sea creatures.
They discovered the first long-lived isotope of the element protactinium.
Whereas learned flies had reduced life spans, the long-lived flies learned less
  well than even average flies.
The major challenge that scientists face is developing a sensor that is both
  long-lived and biocompatible.
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