| PRI | having existed from the beginning |
|---|---|
| PRI | an anticonvulsant (trade name Mysoline) used to treat grand mal seizures and essential tremor |
| PRI | (obstetrics) a woman who is pregnant for the first time |
| PRI | the act of making something ready |
| PRI | the first or preliminary coat of paint or size applied to a surface |
| PRI | any igniter by which an explosive charge is ignited |
| PRI | the first or preliminary coat of paint or size applied to a surface |
| PRI | (obstetrics) woman who has been delivered of a child for the first time |
| PRI | of or relating to a woman who has given birth only once |
| PRI | a word serving as the basis for inflected or derived forms |
| PRI | a mathematical expression from which another expression is derived |
| PRI | a person who belongs to early stage of civilization |