| PRIM | not derived from or reducible to something else |
|---|---|
| PRIM | of primary importance |
| PRIM | most important element |
| PRIM | of first rank or importance or value |
| PRIM | of or being the essential or basic part |
| PRIM | delay of menarche beyond age 18 |
| PRIM | an acute respiratory disease marked by high fever and coughing |
| PRIM | an electric cell that generates an electromotive force by an irreversible conversion of chemical to electrical energy |
| PRIM | armed forces censorship performed by personnel of a military unit on the personal communications of persons assigned to that unit |
| PRIM | coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit |
| PRIM | dentition of deciduous teeth |
| PRIM | painful menstruation that is intrinsic to menstruation and not the result of a disease |