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x (2)
x-axis
X-certificate
X chromosome
x-coordinate
x-height
X-inactivation
x out
X-radiation
X-rated
X-ray
X-ray astronomy
X-ray crystallography
X-ray diffraction
X-ray fluorescence
X-ray spectrum
X-ray star
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X-radiation
X-radiation


noun 
Definition:
 
1. exposure to X-rays: exposure to or medical treatment by X-rays
2. X-ray radiation: radiation in the form of X-rays
Encarta® World English Dictionary [World English Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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