Definition of defoedation in US English:

defoedation

noun

rare
  • The action of contaminating, polluting, or infecting something, especially the skin or the blood; an instance of this. Formerly also: †a physical abnormality, especially a lesion of the skin, attributed to this (obsolete).

Origin

Late 16th century; earliest use found in Philip Barrough (fl. 1590), medical writer. From (i) Middle French defedation corruption, infection.

Pronunciation

defoedation

/ˌdiːfɪˈdeɪʃn/