roentgen, n.
(roentgens)
(roentgens)
a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
<noun.quantity>
R roentgen
semantic pointers
hypernym
Word
a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
<noun.quantity>
R roentgen