infestation

noun
in·​fes·​ta·​tion | \ ˌin-ˌfes-ˈtā-shən How to pronounce infestation (audio) \

Medical Definition of infestation

1 : the act of infesting something
2 : something that infests
3 : the state of being infested especially with metazoan ectoparasites

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Spanish Central: Translation of infestation

Nglish: Translation of infestation for Spanish Speakers

Britannica English: Translation of infestation for Arabic Speakers

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