Definition of necrogenous in English:

necrogenous

adjective

Botany
  • Designating a reaction to a plant pathogen in which there is necrosis of the cells surrounding the site of infection, isolating the pathogen and preventing its further spread. Now rare.

Origin

Mid 19th century (in an earlier sense). From necro- + -genous; in sense 1 after French nécrogène.

Pronunciation

necrogenous

/nɪˈkrɒdʒɪnəs/