parasite /parˈə-sīt/

1. An organism that lives in or on another living organism and derives subsistence from it without rendering it any service in return
2. In literary but not scientific use extended to an epiphyte
3. A hanger-on or sycophant
4. A person who lives at the expense of society or of others and contributes nothing

parasitaemia /-ēˈmi-ə/ noun

(Gr haima blood) the presence of parasites in the blood

parasitic /-sitˈik/ or parasitical adjective

Of, of the nature of, caused by or like a parasite

parasitˈically adverb

parasitˈicalness noun

parasiticide /-sitˈi-sīd/ noun

That which destroys parasites

parˈasitism /-sīt-izm/ noun

The act or practice of being a parasite

parˈasitize or parˈasitise transitive verb

1. To be a parasite on (another organism)
2. To infect or infest with parasites

parˈasitoid /-sīt-/ adjective

Parasitic in one phase of the life history, thereafter independent (also noun)

parasītolˈogist noun

parasītolˈogy noun

• hybrid vigours
• hybris
• hybrises
• hydathode
• hydathodes
• hydatid
• hydatid disease
• hydatidiform
• hydatidiform mole
• hydatidiform moles
• hydatids
• hydatoid
• Hydnocarpus
• hydr-
• Hydra
• hydraemia
• hydraemias
• hydragogue
• hydragogues
• hydra-headed
• hydrangea
• Hydrangeaceae
• hydrangeas
• hydrant
• hydranth