infestation

noun
in·​fes·​ta·​tion | \ ˌin-ˌfes-ˈtā-shən \

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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Britannica English: Translation of infestation for Arabic Speakers

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