Medical Dictionary

viable

adj vi·a·ble \ˈvī-ə-bəl\

Medical Definition of VIABLE

1
:  capable of living <the skin graft was viable> <viable cancer cells>; especially :  having attained such form and development as to be normally capable of living outside the uterus—often used of a human fetus at seven months but may be interpreted according to the state of the art of medicine <a viable fetus is one sufficiently developed for extrauterine survival—Words & Phrases> <the fetus is considered viable when it weighs 500 grams or more and the pregnancy is over 20 weeks in duration—S. W. Jacob & C. A. Francone>
2
:  capable of growing or developing <viable eggs>

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears