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.
We've found a total of 305 definitions for R:
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