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What does R stand for?

What does R mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: R.

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What does R mean?

roentgen, R(noun)
a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air

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"R." Abbreviations.com. STANDS4 LLC, 2018. Web. 21 Apr. 2018. <https://www.abbreviations.com/R>.

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