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