cerca qualsiasi parola, ad esempio donkey punch:

1 definition by Ten Second Tom

n: a unit of measurement used to describe a dose of radiation. A single rad is equivalent to 100 ergs per gram or 0.01 joules per kilogram of irradiated substance.
The Federally-defined maximum occupational radiation dose is 5 rads per year.
di Ten Second Tom 29 settembre 2005