defedation

• defoedation
• defœdation

From Latin defoedatio, from Late Latin defoedare (“to defile”), from de- with foedare, present tense verb of foedo, from foedus (“foul”).

defedation (countable and uncountable, plural defedations)

1. The process of polluting or making filthy; pollution.

   Synonyms: adulteration, defilement, soilage; see also Thesaurus:contamination

• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “defedation”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.