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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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X-radiation
X-rated
X-ray
X-ray astronomy
X-ray crystallography
X-ray diffraction
X-ray fluorescence
X-ray spectrum
X-ray star
X-ray therapy
X-ray tube
X12
Xanadu
xanth-
xanthan gum
xanthate
xanthene
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x (2)
x


symbol 
Definition:
 
1. symbol used to represent unknown: a letter 'x' or an 'x'-shaped mark used to represent something or somebody unknown or unspecified
2. by ( used in dimensions )

3. telecommunications business extension
4. mathematics multiplied by
5. mathematics an algebraic variable
6. mathematics a Cartesian coordinate along the x-axis
7. bridge a card that is not an honour
8. commerce ex
Encarta® World English Dictionary [World English Edition] © & (P)2008 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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