tìm từ bất kỳ, như là tribbing:

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.
viết bởi Ten Second Tom 29 Tháng chín, 2005