healthspan means the length of time in one's life where one is generally in good health. Lexicurio rates it Sui generis — a strength score of 91 out of 100.
noun
- The length of time in one's life where one is generally in good health.“We now have a glimpse of a future which could include the ultimate conquest of frailty, disease and disability that occurs frequently with aging. […] In short, our goal is not just a longer lifespan but an extended "healthspan," helping a greater number of older Americans lead vigorous, more productive lives with less vulnerability to chronic disease.”