| petros | |
| petrosa | |
| petroski | |
| petroski | |
| petrosky | |
| petrosino | |
| petrossian | |
| petrosynthese |
| petroselinum | (n) parsley, Syn. genus Petroselinum |
| Petrosal | a. [ See Petrous. ] (Anat.)
|
| Petrosal | n. (Anat.) |
| Petrosilex | n. [ Petro + silex. ] (Min.) Felsite. [ 1913 Webster ] |
| Petrosilicious | a. Containing, or consisting of, petrosilex. [ 1913 Webster ] |
| Petrostearine | n. [ Petro + stearine. ] A solid unctuous material, of which candles are made. [ 1913 Webster ] |