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parasitic

[par-uh-sit-ik] /ˌpær əˈsɪt ɪk/
adjective
1.
of, relating to, or characteristic of parasites.
2.
(of diseases) due to parasites.
3.
Phonetics, excrescent (def 2).
Also, parasitical.
Origin
1620-1630
1620-30; < Latin parasīticus < Greek parasītikós. See parasite, -ic
Related forms
parasitically, adverb
parasiticalness, noun
antiparasitic, noun, adjective
antiparasitical, adjective
antiparasitically, adverb
nonparasitic, adjective
nonparasitical, adjective
nonparasitically, adverb
pseudoparasitic, adjective
unparasitic, adjective
unparasitical, adjective
unparasitically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for parasitic
  • From fungi to flies, some parasitic species have figured out how to control their host's behavior to get what they need.
  • parasitic wasps dive-bomb ants, injecting their eggs into ant bodies.
  • It's easy to list every vaccine that can prevent a parasitic disease in humans.
  • They then did the same thing for the number of parasitic diseases found in each country.
  • In the wild, these parasitic wasps cruise the landscape seeking out insect targets.
  • Agricultural scientists have also looked at controlling fruit flies with parasitic wasps.
  • If you find grubs, treat your lawn with beneficial parasitic nematodes.
  • Almost any statement about the role of parasitic viruses is speculation.
  • The vast majority of government jobs are parasitic to the economy.
  • The scientists catalogued and weighed all of the plants, animals and parasitic species living in three river estuaries.
Word Origin and History for parasitic
adj.

1620s, from Latin parasiticus, from Greek parasitikos "of or pertaining to a parasite; the trade of a parasite," from parasitos (see parasite). Biological sense is from 1731. Related: Parasitical, 1570s in reference to toadies; from 1640s in the biological sense.

Online Etymology Dictionary, © 2010 Douglas Harper
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parasitic in Medicine

parasitic par·a·sit·ic (pār'ə-sĭt'ĭk) or par·a·sit·i·cal (-ĭ-kəl)
adj.

  1. Of, relating to, or characteristic of a parasite.

  2. Caused by a parasite.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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