sitio-, siti-, sito-, sit-, -sitia +

(Greek: food; eating; appetite)

parasitism
1. Symbiosis in which one population (or individual) adversely affects the other, but cannot live without it.
2. Infection or infestation with parasites.
3. Etymology: "a hanger-on, a toady, a person who lives on others", from Middle French (about 1400 to 1600) parasite; from Latin parasitus, from Greek parasitos, "person who eats at the table of another"; from para-, "beside" + sitos, "food".

The scientific meaning of "animal" or "plant that lives on others" is first recorded in 1646.

parasitization
Infection or infestation with a parasite or parasites.
parasitize
1. To live on or in a host; such as, a parasite.
2. To infest or live on an animal or plant, as a parasite
parasitogenic
Caused by parasites.
parasitoid
Resembling or similar to a parasite.
parasitologist
An expert in parasitology.
parasitology
The science or study of parasites and parasitism.
parasitophobia (s) (noun)
An irrational dread of parasites: The middle-aged Mrs. Thompson went to her family doctor yet again describing the symptoms of an infestation being under her skin or inside her body, but after being thoroughly examined, the doctor didn't find any such disorder and diagnosed her as having parasitophobia!
parasitopolis
A parasite city; a city that is over-developed and economically non-productive.
parasitosis
Infection or infestation with parasites.
parasitotrope, parasitotropic
Having a special affinity for parasites.
parasitotropy, parasitotropism
The affinity of a drug for infective parasites.
phytoparasite
1. A parasitic plant.
2. Any parasitic vegetable organism or species.
pseudoparasite
1. An object or organism that resembles or is mistaken for a parasite.
2. A false parasite; which may be either a commensal or a temporary parasite (the latter being an organism accidentally ingested and surviving briefly in the intestine).
semiparasitic
In botany, a plant that gets food from a host but also contains chlorophyll and is capable of photosynthesis.

Cross references of word families that are related directly, or indirectly, to: "food, nutrition, nourishment": alimento-; broma-; carno-; cibo-; esculent-; tropho-; Eating Crawling Snacks; Eating: Carnivorous-Plant "Pets"; Eating: Folivory or Leaf Eaters; Eating: Omnivorous.