xeno-, xen-, -xenic, -xenism, -xenist, -xenous, -xeny
(Greek: foreign, foreigner; alien; different; extraneous; strange, stranger; and by extension, guest)
The "x" in xeno- is pronounced "z"; "zeno". Greeks are said to have considered any stranger a "guest" and modern Greek includes xenodocheion a "guest house" or "house for guests" or its modern version of "hotel".
The etymological meaning usually denotes some aspect of a relationship involving guests or visitors of some kind.
2. A strange organism not usually parasitic on the host but that becomes so because of a weakened condition of the host.
Xenophobias often involve dreads of things that are different from the normal habits or social environments of people who have such anxieties.2. Etymology: from Greek xenos, "strange, foreign" + phobos), "fear, dread".
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When the couple from outer space saw the strange baby, their xenophobic shock was impossible to describe.
From Greek xeno-, "stranger, foreigner" + pous "foot".
2. An eating disorder manifested by a craving to ingest any material not fit for food, including starch, clay, ashes, toy balloons, crayons, cotton, grass, cigarette butts, soap, twigs, wood, paper, metal, or plaster.
- This condition is seen in pregnancy, chlorosis, hysteria, helminthiasis, and certain psychotic situations.
- It may also be associated with iron-deficiency anemia.
- The importance of this condition, the etiology (cause) of which is unknown, stems from the toxicity of ingested material (e.g., paint that contains lead) or from ingesting materials in place of essential nutrients.
- The inclusion of compulsive ingestion of nonfood and food items; such as, licorice, croutons, chewing gum, coffee grounds, or oyster shells as examples of pica is controversial.