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Word History
First Known Use
circa 1890, in the meaning defined above
Dictionary Entries Near roentgen ray
Cite this Entry
“Roentgen ray.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roentgen%20ray. Accessed 5 Nov. 2024.
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Medical Definition
roentgen ray
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Merriam-Webster unabridged
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