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Longman Dictionary of Contemporary English
parasite
noun
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
intestinal
▪ Our immune systems used to encounter intestinal parasites as part of normal development.
▪ In many instances it was dozens or even, as with intestinal parasites, hundreds of times higher than average.
▪ And in exceptional circumstances, microscopic intestinal parasites have survived to indicate some of the health problems that people suffered.
▪ Treatment was geared to boosting John's immune system which was being battered by various systemic fungi and intestinal parasites.
other
▪ Protozoans are effectively invisible to the naked eye, and flukes nearly so, but other external parasites are all too-readily seen.
▪ It looked like any other parasite.
■ NOUN
malaria
▪ So could malaria parasites be destroyed by assaulting them with free oxygen radicals?
▪ This may be a result of having received a lesser dose of malaria parasite, he said.
▪ After infection, malaria parasites multiply by a factor of eight every 24 hours.
■ VERB
cause
▪ Surprisingly, it is the minor parasites of wheat that cause the biggest headaches for triticale growers.
find
▪ The bird, widespread as it is, has resisted the temptation to diverge into numerous kinds found among many nest parasites.
▪ Thus we find parasites upon parasites.
▪ Legionellae in the enviroment are found as parasites of protozoa in which intracellular multiplication can take place.
kill
▪ Although you have killed the White Spot parasites, they have left scars and marks, which are still irritating your fish.
▪ This membrane defect makes it much easier for toxic substances made by the immune system to enter red cells and kill parasites.
EXAMPLES FROM OTHER ENTRIES
▪ Most government employees had become parasites, expecting to retain their positions through friendship or political favor.
▪ They tend to regard people on welfare as parasites.
▪ You shouldn't feel sorry for these people - they're just parasites.
EXAMPLES FROM CORPUS
▪ It will probably resist extermination, however, since, unlike its parasite, it frequents shallow water.
▪ Screening for the parasite should be part of the investigative procedures in children with chronic diarrhoea.
▪ The parasites that were spread in this way had never before been considered sexually transmitted.
▪ The benefit for the gatherers - the parasites of the system- is self evident.
▪ The end product of such a course of evolution is an obligate parasite that is inextricably linked to a particular host.
▪ The well developed buccal capsule of the adult parasite is prominent as is the bursa of the male.
The Collaborative International Dictionary
Parasite

Parasite \Par"a*site\ (p[a^]r"[.a]*s[imac]t), n. [F., fr. L. parasitus, Gr. para`sitos, lit., eating beside, or at the table of, another; para` beside + sitei^n to feed, from sitos wheat, grain, food.]

  1. One who frequents the tables of the rich, or who lives at another's expense, and earns his welcome by flattery; a hanger-on; a toady; a sycophant.

    Thou, with trembling fear, Or like a fawning parasite, obey'st.
    --Milton.

    Parasites were called such smell-feasts as would seek to be free guests at rich men's tables.
    --Udall.

  2. (Bot.)

    1. A plant obtaining nourishment immediately from other plants to which it attaches itself, and whose juices it absorbs; -- sometimes, but erroneously, called epiphyte.

    2. A plant living on or within an animal, and supported at its expense, as many species of fungi of the genus Torrubia.

  3. (Zo["o]l.)

    1. An animal which lives during the whole or part of its existence on or in the body of some other animal, feeding upon its food, blood, or tissues, as lice, tapeworms, etc.

    2. An animal which steals the food of another, as the parasitic jager.

    3. An animal which habitually uses the nest of another, as the cowbird and the European cuckoo.

Douglas Harper's Etymology Dictionary
parasite

1530s, "a hanger-on, a toady, person who lives on others," from Middle French parasite (16c.) or directly from Latin parasitus "toady, sponger," and directly from Greek parasitos "one who lives at another's expense, person who eats at the table of another," from noun use of an adjective meaning "feeding beside," from para- "beside" (see para- (1)) + sitos "food," of unknown origin. Scientific meaning "animal or plant that lives on others" is first recorded 1640s (implied in parasitical).

Wiktionary
parasite

n. 1 (context pejorative English) A person who lives on other people's efforts or expense and gives little or nothing back. (from 16th c.) 2 (context biology English) an organism that lives on or in another organism, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently to cover the cost to that other organism.

WordNet
parasite
  1. n. an animal or plant that lives in or on a host (another animal or plant); the parasite obtains nourishment from the host without benefiting or killing the host [ant: host]

  2. a follower who hangs around a host (without benefit to the host) in hope of gain or advantage [syn: leech, sponge, sponger]

Wikipedia
Parasite (comics)

The Parasite is the name of several fictional supervillains that appear in Superman comic book stories published by DC Comics. Each version of the Parasite has the ability to temporarily absorb the energy, knowledge and super-powers of another being by touch, making him a formidable adversary for the Man of Steel. The most well known incarnation of the Parasite is Rudy Jones, who has appeared in the largest number of comic books and media. In 2009, The Parasite was ranked as IGN's 61st Greatest Comic Book Villain of All Time.

Parasite (film)

Parasite is a 1982 science fiction horror film produced and directed by Charles Band, and starring Demi Moore in her first major film role.

Parasite (band)

Parasite are a band from Surrey, England and were formed at school in 1998, becoming an active band in the early 21st Century.

Parasite (disambiguation)

A parasite is an organism that has sustained contact with another organism to the detriment of the host organism.

Parasite or parasitism or parasitic may also refer to:

Parasite (Doctor Who)

Parasite is an original novel written by Jim Mortimore and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor, Ace and Bernice. A prelude to the novel, also penned by Mortimore, appeared in Doctor Who Magazine #220.

Parasite (Heroes)

"Parasite" is the eighteenth episode of the first season of the NBC science fiction drama series Heroes. It was unique in that, in some markets, the introductory phrase "Previously on Heroes" was written in Japanese and spoken by Hiro, unlike the English that had always preceded it. It was originally announced as "Like Any Parasite" until NBC shortened its name to "Parasite" on February 24, 2007. Like the previous episode, this episode debuted on Global in most Canadian markets a day ahead of NBC. This was the last episode to be aired until April 2007, when the series picked up once again to finish the season.

Parasite (See You Next Tuesday album)

Parasite is the debut album by See You Next Tuesday. It was released on April 3, 2007 on the indie label Ferret. The artwork on this cover was done by Dutch artist Dennis Sibeijn, who has also done album cover artwork for Job for a Cowboy and Chimaira. All the song titles (excluding "Paraphilia" and both parts of "Pogonotrophy") are quotes from movies and television shows.

Parasite (Kiss song)

"Parasite" is a song by American hard rock band Kiss, released in 1974 on their second studio album, Hotter Than Hell. The song is one of three songs featured on the album written by lead guitarist Ace Frehley. As one of the album's heaviest songs, "Parasite" was performed on the following tour, but Kiss dropped it from the setlist for the Destroyer Tour and did not play it again until the Revenge Tour in 1992. "Parasite" was performed most recently during the Kiss Alive/35 World Tour. As Frehley was insecure about his singing ability, he passed that duty to Gene Simmons, the band's bassist.

Parasite (journal)

Parasite is a peer-reviewed open access scientific journal covering all aspects of human and animal parasitology. The journal publishes reviews, articles, and short notes. It is published by EDP Sciences and is an official journal of the Société Française de Parasitologie . It is published by EDP Sciences and the editor-in-chief is Jean-Lou Justine ( National Museum of Natural History, Paris). The journal was established in 1923 as Annales de Parasitologie Humaine et Comparée and obtained its current title in 1994, with volume numbering restarting at 1.

Parasite (Grant novel)

Parasite is a science fiction novel written by Mira Grant (the pseudonym of American author Seanan McGuire). It was released on October 29, 2013 by Orbit Books and is the first volume of the Parasitology trilogy . The other two books in the series are Symbiont (November 25, 2014) and Chimera (November 24, 2015).

Usage examples of "parasite".

Sculptured sprays and berries, with leaves of Mistletoe, fill the spandrils of the tomb of one of the Berkeleys in Bristol Cathedral--a very rare adornment, because for some unknown reason the parasite has been always excluded from the decorations of churches.

Stephen rejoined Mr Bloom who, with his practised eye, was not without perceiving that he had succumbed to the blandiloquence of the other parasite.

The Wunch were alien software parasites -- renegade financial instruments -- that had colonized the wreckage of a Matrioshka brain civilization a few light years from Earth.

Illa knew, spread for acres, holding the soil and secreting microfauna to defend against native parasites and rework the local minerals into compatible nutrients.

In the case of the misseltoe, which draws its nourishment from certain trees, which has seeds that must be transported by certain birds, and which has flowers with separate sexes absolutely requiring the agency of certain insects to bring pollen from one flower to the other, it is equally preposterous to account for the structure of this parasite, with its relations to several distinct organic beings, by the effects of external conditions, or of habit, or of the volition of the plant itself.

The missletoe is dependent on the apple and a few other trees, but can only in a far-fetched sense be said to struggle with these trees, for if too many of these parasites grow on the same tree, it will languish and die.

Great sleek-limbed, hornless, racing deer, birds or mammals adapted to some hitherto unfulfilled role, bears intended to outclass all existing varieties in the struggle for existence, ants with specialized organs and instincts, improvements in the relations of parasite and host, so as to make a true symbiosis in which the host profited by the parasite.

But the Core was aware of the shortcomings of absolute parasitism and knew that the only way it could grow beyond parasite status and parasite psychology was to evolve in response to the physical universe -- that is, to have physical bodies as well as abstract Core personae.

We need to perfect our own habits of parasitism, and ever more busily frequent the habitations of our dead, in the knowledge that every self-perpetuating and self-extending system ultimately encounters its own limits, its own parasites.

Pacific Ocean, faunas of Paley, on no organ formed to give pain Pallas, on the fertility of the wild stocks of domestic animals Paraguay, cattle destroyed by flies Parasites Partridge, dirt on feet Parts greatly developed, variable, degrees of utility of Parus major Passiflora Peaches in United States Pear, grafts of Pelargonium, flowers of, sterility of Peloria Pelvis of women Period, glacial Petrels, habits of Phasianus, fertility of hybrids Pheasant, young, wild Pictet, Prof.

I was too far away to make out the platelet parasites around them, but a sense of diffused light there -- like dust floating -- suggested their presence by the thousands or millions.

With the small and delicate humanoids who had been my playfellows, I had gathered the nuts and buds and trapped the small arboreal animals they used for food, taken my share at weaving clothing from the fibres of parasite plants cultivated on the stems, and in all those eight years I had set foot on the ground less than a dozen times, even though I had travelled for miles through the tree-roads high above the forest floor.

Mons Aventinus of the Rue de Normandie had, as might be expected, impressed the Presidente, not that she troubled herself much about her parasite, now that she was freed from him.

Mr Quayle was one of these parasites who ingratiate themselves with lonely women.

Others appeared to be parasites, sending complex veins ramifying through the thalli of their victims.