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xi
[ zahy, sahy; Greek ksee ]
/ zaɪ, saɪ; Greek ksi /
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noun, plural xis.
the 14th letter of the Greek alphabet (Ξ, ξ).
the group of consonant sounds represented by this letter.
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IS and ARE are both forms of which verb?
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use xi in a sentence
British Dictionary definitions for xi (1 of 2)
xi
/ (zaɪ, saɪ, ksaɪ, ksiː) /
noun plural xis
the 14th letter in the Greek alphabet (Ξ, ξ), a composite consonant, transliterated as x
British Dictionary definitions for xi (2 of 2)
Xi
Hsi or Si
/ (ʃiː) /
noun
a river in S China, rising in Yunnan province and flowing east to the Canton delta on the South China Sea: the main river system of S China. Length: about 1900 km (1200 miles)
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 xi (1 of 2)
xi
[ zī, sī, ksē ]
n.
The 14th letter of the Greek alphabet.
Medical definitions for xi (2 of 2)
ξ
The Greek letter xi. Entries beginning with this character are alphabetized under xi.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.