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grenz ray

Pronunciation: grenz

Definition: Very soft x-rays, closely allied to the ultraviolet rays in their wavelength ( relatively long) and in their biologic action upon tissues; they are produced by a specially built vacuum tube with a hot cathode operating from a transformer delivering not more than 8 kw.

[Ger. Grenze, borderline, boundary]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.