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語源

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

名詞

defedation (countable and uncountable, plural defedations)

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

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

参照

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