ଅର୍ଥ : A unit of radiation exposure. The dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air.
ସମକକ୍ଷ : r
ଅର୍ଥ : German physicist who discovered x-rays and developed roentgenography (1845-1923).
ସମକକ୍ଷ : rontgen, wilhelm konrad roentgen, wilhelm konrad rontgen