Definition of ectoparasite
: a parasite that lives on the exterior of its host
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Recent Examples of ectoparasite from the Web
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Mature sea lice are gray, lentil-sized crustaceans, also called ectoparasites, that look like small, fanged tadpoles.
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All the cats had irritated, painful ears consistent with a contagious ectoparasite, the document stated.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ectoparasite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of ectoparasite
International Scientific Vocabulary
Medical Dictionary
medical Definition of ectoparasite
: a parasite that lives on the exterior of its host — compare endoparasite
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