ScienceJuly 14, 2026
radiograph
/ˈreɪdiəˌɡræf/
Definition
A medical image produced on a sensitive surface by ionizing radiation, such as an X-ray scan, used to visualize the interior structures of a body part or object.
Etymology
The word is a combination of the Latin 'radius' (ray) and the Greek 'graphos' (writing or drawing). It entered English in the late 19th century to describe the photographic image produced by X-rays.
In the news
In the article, the term refers to the X-ray images of hands, chests, and other body parts taken by astronauts in microgravity to test the feasibility of portable medical diagnostics in space. It is used to demonstrate that diagnostic imaging can be performed effectively outside of traditional clinical facilities.
Astronauts take first X-rays in space
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