Definition of

X

  1. (noun, quantity) the cardinal number that is the sum of nine and one; the base of the decimal system
  2. (noun, communication) the 24th letter of the Roman alphabet
  3. (noun, artifact) street names for methylenedioxymethamphetamine
  4. (adj, all) being one more than nine

via WordNet, Princeton University

Origin of the word X

  1. most Eng. words beginning in -x- are of Gk. origin or modern commercial coinages. E. Anglian in 14c. showed a tendency to use -x- for initial sh-, sch- (cf. xal for shall), which didn't catch on but seems an improvement over the current system. As a symbol of a kiss on a letter, etc., it is recorded from 1765. In malt liquor, XX denoted… more

via Online Etymology Dictionary, ©2001 Douglas Harper

Words that sound like X

x-axis, xc, xci, xcii, xciii, xe, xhosa, xi, xii, xiii, xix, xx, xxi, xxii, xxiii, xxix, xxx, xxxi, xxxii, xxxiii, xxy, xy, xyy

via soundex() Hash Matches

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Word of the Moment

Square Root

a number that when multiplied by itself equals a given number