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xeno-(word root) foreign
Examples of words with the root xeno-: xenophobia
1. Stranger; foreigner: xenophobia.
2. Strange; foreign; different: xenolith.
xeno-or before a vowel
indicating something strange, different, or foreign: xenogamy.
[from Greek xenos strange]
a combining form meaning “foreign,” “strange”: xenolith.
[comb. form of Greek xénos]