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.
Some experimental animals are raised in axenic conditions so they can be used for special research projects.
2. A reference to experimental animals that are raised under sterile conditions; such as, "axenic conditions"; "germfree animals".
2. A mixed culture of organisms where one organism is associated with two other speicies.
2. Nourished or receiving nourishment from external parts.
2. An organism found in a soil stratum of which it is not normally a resident.
2. Infecting more than one kind of host during a life cycle.