Parasitism
[par-uh-sahy-tiz-uh m, -si-] /ˈpær ə saɪˌtɪz əm, -sɪ-/
noun
1.
Biology. a relation between organisms in which one lives as a parasite on another.
2.
a parasitic mode of life or existence.
3.
Pathology. a diseased condition due to parasites.
4.
/ˈpærəsaɪˌtɪzəm/
noun
1.
the relationship between a parasite and its host
2.
the state of being infested with parasites
3.
the state of being a parasite
n.
1610s, from parasite + -ism. Biological sense is from 1853.
parasitism par·a·sit·ism (pār’ə-sĭ-tĭz’əm, -sī-)
n.
A symbiotic relationship in which one species, the parasite, benefits at the expense of the other, the host.
parasitism
(pār’ə-sĭ-tĭz’əm)
A symbiotic relationship in which one organism (the parasite) benefits and the other (the host) is generally harmed. Parasites derive nutrition from their host and may also gain other benefits such as shelter and a habitat in which to grow and reproduce. See more at parasite. Compare amensalism, commensalism, mutualism.
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parasitogenic par·a·si·to·gen·ic (pār’ə-sī’tə-jěn’ĭk) adj.
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[par-uh-si-toid, -sahy-] /ˈpær ə sɪˌtɔɪd, -saɪ-/ noun 1. an organism that practices . adjective 2. of or relating to a parasite, especially one practicing . /ˈpærəsɪˌtɔːd/ noun 1. (zoology) an animal, esp an insect, that is parasitic during the larval stage of its life cycle but becomes free-living when adult parasitoid (pār’ə-sĭ-toid’, -sī’toid) Any of […]
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[par-uh-si-toi-diz-uh m, -sahy-] /ˈpær ə sɪ tɔɪˌdɪz əm, -saɪ-/ noun 1. the feeding by certain insect larvae on host tissues such that the host remains alive until larval development is complete and then usually dies.
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[par-uh-sahy-tol-uh-jee, -si-] /ˌpær ə saɪˈtɒl ə dʒi, -sɪ-/ noun 1. the branch of biology dealing with and the effects of parasitism. /ˌpærəsaɪˈtɒlədʒɪ/ noun 1. the branch of biology that is concerned with the study of parasites parasitology par·a·si·tol·o·gy (pār’ə-sĭ-tŏl’ə-jē, -sī-) n. The study of parasites and parasitism. par’a·si’to·log’ic (-sī’tə-lŏj’ĭk) or par’a·si’to·log’i·cal (-ĭ-kəl) adj.