x•is
We found 3 definitions of xis from 2 different sources.
NounPlural: xis |
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xi - the 14th letter of the Greek alphabet | ||
alphabetic character, letter of the alphabet, letter a written message addressed to a person or organization; "mailed an indignant letter to the editor" | ||
xi - the cardinal number that is the sum of ten and one | ||
eleven, 11, XI |