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.

xenogenetic, xenogenic (adjective) (not comparable)
Pertaining to an alleged creation of offspring unlike the parents: The horror movie was about a xenogenetic living creature that was born of parents entirely foreign to it, and it looked like a terrible fiend.
xenogenous (adjective) (not comparable)
Concerning something effected by a foreign body: June read an article about a xenogenous offspring that had evidently originated from an external life form.
xenogeny (s) (noun) (no pl)
A supposed creation of offspring permanently unlike the parents; also heterogenesis: In the fantasy story,a creature was born, totally and completely unlike its parents, and was termed to be an example of xenogeny.
xenoglossia (s) (noun) (no pl)
The alleged power of a person to communicate with others in a language which he/she has never learned; xenoglossy: Linda wished she possessed the ability of xenoglossia so that she wouldn't have to take classes to learn that language.

Xenoglossia can also be the knowledge of a language which supposedly has never been studied by certain people.

xenoglossy (s) (noun), xenoglossies (pl)
A paranormal phenomenon in which a person is able to speak a language that he or she could not have acquired by natural means: An example of xenoglossy would be when someone speaks French fluently, like a native, but has never studied French, never been to a French-speaking country, nor associated with French-speakers.
xenograft (s) (noun), xenografts (pl)
A graft of tissue removed from one species and transplanted to a different species; f heterograft: In medical school, Dick learned about a xenograft that was used as an organ transplant material.
xenolith (s) (noun), xenoliths (pl)
In geology, a sample of rock that has a another origin to the igneous rock where it was found: In his class in geology, the teacher showed the class a fragment of a rock that was included in another rock, saying that this was an example of a xenolith.
xenologer (s) (noun), xenologers (pl)
Someone who studies the alien itself: In the science fiction book Greg was reading, the main character was a xenologer who did research involving extraterrestrial beings, or the "little green men"!
xenology (s) (noun) (no pl)
The science or study of alien life: After graduating from high school, Mary wanted to study xenology involving the life of foreigners, aliens, or extraterrestrials, but she didn't find any college or university that offered this field of study.
xenomancy (s) (noun) (no pl)
Divination by a stranger: While sitting at the restaurant table, Mary told her girlfriend that, by the help of xenomancy, she could find out if her future husband would be rich if she looked at and watched the first strange man who entered through the restaurant door..
xenomania (s) (noun) (no pl)
An obsessive interest in foreigners or for things foreign: Somehow Sally developed a condition of xenomania and thought that learning about customs, manners, traditions, etc.of distant countries were quite intriguing.
xenomaniac (s) (noun), xenomaniacs (pl)
A person who has an extreme or and obsessive interest in everything foreign: Alfred's neighbor was a xenomaniac who was totally engrossed in and possessed by the customs, products, and traditions, of other countries other than his own, and thought that they were much better than in his own country.
xenomenia (s) (noun) (no pl)
Menstration, or a flow of blood from another opening other than from the uterus: The doctor explained to Mary that she had a case of xenomenia meaning that there was a loss of blood at the same time as her period, known also as vicarious menstruation
xenomorphic (adjective), more xenomorphic, most xenomorphic
In petrography, a reference to an unusual form or having a strange form or shape: Xenomorphic minerals are those that do not have their crystalline form but possess a different shape impressed on it by surrounding grains
xenomorphosis (s) (noun) (no pl)
In geology, the texture of igneous rocks in which the crystals are not bounded by their own crystal faces: In geology class, Mark learned about the formation of xenomorphosis in which the sides of the crystals were impressed or formed upon them by adjacent preexisting crystals.

Related "foreign, strange" word families: allotrio-; barbar-.