grenz ray


often capitalized G
: a soft X-ray with wavelength near the limit of extreme ultraviolet used especially in treating skin lesions

called also infraroentgen ray

Word History


partial translation of German grenzstrahl, from grenze border (from Middle High German grenize, from Polish granica) + strahl ray

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Dictionary Entries Near grenz ray

Cite this Entry

“Grenz ray.” Dictionary, Merriam-Webster, Accessed 4 Oct. 2023.

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