roentgen
Definitions
General Science
- noun a unit of measurement of the amount of exposure to X-rays or gamma rays.
Electronics
- A unit of radiation exposure equal to the amount of ionizing radiation which will produce a charge of 2.58 × 10-4 coulombs per kilogram of air. Its symbol is R, or r. Also spelled röntgen.
- synonymröntgen
Medical
- noun a unit of radiation used to measure the exposure of someone or something to X-rays or gamma rays.
