X-ray fluorescence
Physics
noun
Fluorescence as a result of irradiation with X-rays; the emission of characteristic X-rays when a substance is irradiated with X-rays or other high-energy radiation, especially as an investigative and analytical tool.
Origin
Late 19th century; earliest use found in American Amateur Photographer.
- friendship centre
- friendship plant
- friendship quilt
- friendship ring
- friendship treaty
- friends in high places
- Friends of the Earth
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- friend with benefits
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- Friesian
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