In context: "..the EndStat calculation that every thousand Roentgens of straight X and gamma produces 6.36 deaths per hundred POP and for the other other 93.64 means reduced lifespans of
(Total R - 100)(0.636(Total R - 100)^2)
Definition: 2. Usu. with lower-case initial. A unit of exposure to X or gamma radiation, now defined as equal to the quantity of radiation that gives rise to ions carrying a total positive or negative charge of 2·58 × 10−4 coulomb per kg of air under standard conditions. Formerly also roentgen unit. Symbol R or r.
SNOOT score: 1
Source: Oxford English Dictionary