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Duration of a particular life beyond the norm for the species. SEE ALSO: lifespan. SYN: macrobiosis.
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1) a long duration of individual life <attributed his \longevity to daily exercise and a healthy diet>
2) length of life <studies in \longevity>
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lon·gev·i·ty (lon-jevґĭ-te) [L. longus long + aevum age] the condition or quality of being long lived.Medical dictionary. 2011.