Definition of health span
: the length of time in one's life during which an individual is in reasonably good health
A revolutionary increase in life span has already occurred. A corresponding increase in health span, the maintenance of full function as nearly as possible to the end of life, should be the next gerontological goal.— John W. Rowe and Robert L. Kahn Several genetic studies in mice suggest that the elimination of senescent cells from the organism leads to extension of the mouse's health span and lifespan.— Judy Siegel-Itzkovich
Keep scrolling for more
Test Your Vocabulary
More Confusing Words—Quiz
-
- The magician
______
moved the selected card to the top of the deck.

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share health span
Time Traveler for health span
The first known use of health span was in 1931
See more words from the same year