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a combining form meaning “alien,” “strange,” “guest,” used in the formation of compound words: xenogamy, xenolith.
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Also especially before a vowel, xen-.
Origin of xeno-
Combining form of Greek xénos stranger, guest (noun); alien, foreign, strange (adj.)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use xeno- in a sentence
British Dictionary definitions for xeno-
before a vowel xen-
indicating something strange, different, or foreignxenogamy
Word Origin for xeno-
from Greek xenos strange
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for xeno-
Strange; foreign; different:xenophthalmia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.