[ RadSafe ] A question of semantics

Jeff Terry terryj at iit.edu
Tue Oct 19 12:45:37 CDT 2010

Hi Mike, 

I agree that x-radiation is not incorrect, but why no hyphen in x-ray? I have always used a hyphen to describe x-rays. 

What is the rational behind dropping the hypen?


Jeff Terry
Asst. Professor of Physics
Life Science Bldg Rm 166
Illinois Institute of Technology
3101 S. Dearborn St. 
Chicago IL 60616
terryj at iit.edu

On Oct 19, 2010, at 12:32 PM, Stabin, Michael wrote:

>> One of our trainers referred to 'x-radiation'. I understand what he means, but have not seen it called antyhing other than x-rays or 'fluorescent radiation' in my manuals from Cember Knoll, etc.... Is this a legitimate word to use in training?
>> Luke McCormick
> Good question, I would like to hear from others. I would not say this, but I don't see that it is incorrect in any way. From my time on the Part I panel, I have been convinced that the appropriate usage of "x ray" is like that, space, no hyphen, unless you are using it as an adjective, then "x-ray beam", for example.
> One thing I would like to know is above what dose level we should not use Sv and use only Gy, and why that level. I've asked some of the best, and still have no clear explanation.
> Mike
> Michael G. Stabin, PhD, CHP
> Associate Professor of Radiology and Radiological Sciences
> Department of Radiology and Radiological Sciences
> Vanderbilt University
> 1161 21st Avenue South
> Nashville, TN 37232-2675
> Phone (615) 343-4628
> Fax   (615) 322-3764
> e-mail     michael.g.stabin at vanderbilt.edu
> internet   www.doseinfo-radar.com
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