| PORP | a genus of protoctista |
|---|---|
| PORP | a genetic abnormality of metabolism causing abdominal pains and mental confusion |
| PORP | any of various pigments distributed widely in living tissues |
| PORP | Old World purple gallinules |
| PORP | purple gallinule of southern Europe |
| PORP | (of rocks) consisting of porphyry or containing large crystals in a fine groundmass of minerals |
| PORP | any igneous rock with crystals embedded in a finer groundmass of minerals |
| PORP | American purple gallinules |
| PORP | American purple gallinule |
| PORP | any igneous rock with crystals embedded in a finer groundmass of minerals |
| PORP | any of several small gregarious cetacean mammals having a blunt snout and many teeth |
| PORP | a yellow fatty oil obtained from porpoises and used as a fine lubricant |