Ne·crō'sis, n.

n. [Gr. νέκρωσις, from νεκρόω, to make dead, to mortify, from νεκρός, dead; Fr. nécrose.]

1. (Med.) Mortification; especially, that state of a bone, or portion of a bone, when it is deprived of life. It is to the bones what gangrene is to the soft parts. Dunglison.
2. (Bot.) A disease of plants, consisting of small black spots, beneath which the substance of the plant decays.