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| physical object > natural object > particle > boson > carrier boson > photon > ultraviolet > extreme ultraviolet | 
| extreme ultraviolet comparison table | |||
| Subject | is a kind of | has acronym | has definition | 
|---|---|---|---|
| ultraviolet | photon | UV | Electromagnetic radiation "beyond the violet" with wavelengths in the approximate range 100-4000 Å. | 
| extreme ultraviolet | ultraviolet | EUV | 
Next ultraviolet: soft ultraviolet     Up: ultraviolet