| X. |
Inductive reactance |
| X.A.N.E.S |
X-ray Absorption Near-Edge Structure |
| X.A.S |
X-ray Absorption Spectroscopy |
| X.B.R.L |
eXtensive Business Research Language |
| X.C |
Capacitive reactance |
| x.H.T.M.L |
eXtensible Hypertext Mark-up Language |
| X.I.P |
eXecute In Place |
| X.L |
Inductive reactance |
| X.L.S |
eXcimer Laser System; eXtended Light Scatterer |
| X.M.C.L |
eXtensible Media Common Language |
| X.M.L |
Extensible Markup Language. |
| X.M.L-R.P.C |
XML Remote Procedure Calls |
| X.M.O.D |
Cross Modulation |
| X.M.P |
X-ray Micro-Probe; eXtensible Metadata Platform |
| X.O.R |
Logic term - XOR |
| X.P.D |
X-ray Photoelectron Diffraction |
| X.P.R.L |
eXtensive Public Relations Language |
| X.P.S |
X-ray Photoelectron Spectroscopy |
| X.R |
X-ray Reflectivity |
| X.R.D |
X-ray Diffraction |
| X.R.F |
X-ray fluorescence spectrometry |
| X.R.M.L |
eXtensible Rights Markup Language |
| X.S.L |
eXtensible Style sheet Language |
| X.S.L.T |
eXtensible Style sheet Language Transformations |
| X.T.E.M |
Cross sectional Transmission Electron Microscopy |
| Xe |
Xenon |
| X-ray |
Röntgen beam technology |
