| rad | <radiobiology> A unit of absorbed dose: One rad is 0.01 Joule absorbed per kilogram of any material. (Also defined as 100 ergs per gram and written rad). It is being replaced by the gray (Gy). One rad equals one hundredth of a gray. (16 Dec 1997) |
|---|---|
| grateful med | A microcomputer-based software package providing a user-friendly interface to the medlars system of the national library of medicine. (12 Dec 1998) |