Unit (sv) for Measuring the Effect of Radiation
Puzzle 6 of Famous Philosophers Hard Pack
Question is: Unit (sv) for Measuring the Effect of Radiation
and the answer is: SIEVERT
Word Meaning:
SIEVERT — In the International System of Units, the derived unit of radiation dose: the dose received in one hour at a distance of 1 cm from a point source of 1 mg of radium in a 0.5 mm thick platinum enclosure, which in its biological effects corresponds to several different quantities: equivalent dose, effective dose, and committed dose.
Definitions from Wiktionary.