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Noun: xi
  1. The 14th letter of the Greek alphabet
Adjective: xi
  1. Being one more than ten
    - eleven, 11
Noun: XI
  1. The cardinal number that is the sum of ten and one
    - eleven, 11

Sounds like: si

Derived forms: xis

See also: cardinal

Type of: alphabetic character, large integer, letter, letter of the alphabet

Part of: Greek alphabet

Encyclopedia: Xi

XI

Nearest

xerox copy
Xerox machine
Xerxes
Xerxes I
Xerxes II
Xerxes the Great
Xestobium rufovillosum
x-factor
Xhosa
XI
Xian
Xi'an
XII
xii
XIII
xiii
Ximenesia encelioides
Xinjiang
Xinjiang Uighur Autonomous Region
Xiphias