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Definition of parasite noun from the Oxford Advanced Learner's Dictionary

parasite

noun
 
/ˈpærəsaɪt/
 
/ˈpærəsaɪt/
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  1. a small animal or plant that lives on or inside another animal or plant and gets its food from it
    • fleas, lice and other parasites
    • an intestinal parasite of cattle
    Extra Examples
    • These flies carry a dangerous parasite.
    • Your contaminated fingers can transmit the parasite to many surfaces.
    • the parasite that causes malaria
    Topics Health problemsc1, Biologyc1
    Oxford Collocations Dictionaryadjective
    • common
    • dangerous
    • deadly
    verb + parasite
    • carry
    • have
    • pick up
    parasite + verb
    • infect somebody/​something
    • cause something
    See full entry
  2. (disapproving) a person who always relies on or benefits from other people and gives nothing back
    • He regards students as parasites on society.
  3. Word Originmid 16th cent.: via Latin from Greek parasitos ‘(person) eating at another's table’, from para- ‘alongside’ + sitos ‘food’.
See parasite in the Oxford Advanced American DictionarySee parasite in the Oxford Learner's Dictionary of Academic English
influence
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