Basic Guidelines For English Spellings
READ THESE ARTICLES
Meaning of X-ray fluorescence in English:
X-ray fluorescence
noun
PhysicsFluorescence 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.
Are You Learning English? Here Are Our Top English Tips
