longevity
source sentence: Studies on the aged have confirmed that pet owners have increased longevity and live more satisfying lives compared to their peers without pets.
context clues: indirect definition clues, inference clues, (syn.) durability, longlastingness, (ant.) death, shortness of life
definition: long life; duration of life
original sentence: The old man's longevity was apparent because he lived to be 109 years old with the help of ancient chinese medicine.
