| pyromellitic acid | Pyromellithsäure |
| pyromellitic dianhydride , PMDA | Pyromellithsäuredianhydrid , PMDA |
| Pyrometallurgy | Pyrometallurgie |
| pyrometamorphism | Pyrometamorphose |
| pyrometer | Pyrometer |
| pyrometers | Pyrometer |
| pyrometric cone | Segerkegel |
| pyrometry | Pyrometrie |
| pyromucic acid | Brenzschleimsäure |
| pyronaridine | Pyronaridin |
| pyrone | Pyron |
| pyrones | Pyrone |
| pyrophilia | Pyrophilie |
| pyrophobia | Pyrophobie |
| pyrophoric | luftentzündlich |
| Pyrophoricity | Pyrophor |
| pyrophosphoric acid | Pyrophosphorsäure |
| pyropissite | Pyropissit |
| pyroracemic acid | Brenztraubensäure |
| Pyroraptor | Pyroraptor |
| pyroschist | Ölschiefer |
| pyrosis | Pyrosis |
| pyrotechnic | brillant |
| pyrotechnic article | Feuerwerkskörper |
| pyrotechnic articles | Feuerwerksartikel |
| pyrotechnic charge | Treibladung |
| pyrotechnic explosion | pyrotechnische Explosion |
| pyrotechnical | pyrotechnisch |
| pyrotechnical specialist | Feuerwerker |
| pyrotechnically | pyrotechnisch |
| pyrotechnician | Pyrotechniker |
| pyrotechnics | Feuerwerk |
| pyrotechnist | Pyrotechniker |
| pyroxamine | Pyroxamin |
| pyroxene | Pyroxene |
| pyroxenite | Pyroxenit |
| pyroxmangite | Pyroxmangit |
| Pyrrha | Pyrrha |
| pyrrhic | Pyrrhichios |
| Pyrrhic victory | Pyrrhussieg |
| Pyrrhic War | Pyrrhischer Krieg |
| Pyrrho | Pyrrhon von Elis |
| Pyrrhocoridae | Gemeine Feuerwanze |
| Pyrrhonian | pyrrhonisch |
| Pyrrhos | Pyrrhus |
| pyrrhotin | Pyrrhotin |
| pyrrhotine | Pyrrhotin |
| pyrrhuloxia | Schmalschnabelkardinal |
| Pyrrhura | Rotschwanzsittiche |
| Pyrrhus of Epirus | Pyrrhus |
| Pyrrole | Pyrrol |
| Pyrrolidine | Pyrrolidin |
| pyrrolidone, N-octyl- | Pyrrolidon, N-Octyl- |
| Pyrrolizidine | Pyrrolizidinalkaloide |
| pyrrolizidine alkaloid | Pyrrolizidinalkaloid |
| Pyrrolysine | Pyrrolysin |
| Pyrros Dimas | Pyrros Dimas |
| Pyrus pyrifolia | Nashi |
| pyruvate | Pyruvat |
| pyruvate carboxylase | Pyruvat-Carboxylase |
| pyruvate decarboxylase | Pyruvatdekarboxylase |
| Pyruvate decarboxylation | Oxidative Decarboxylierung |
| Pyruvate dehydrogenase | Pyruvat-Dehydrogenase |
| Pyruvate dehydrogenase complex | Pyruvat-Dehydrogenase |
| pyruvic acid | Brenztraubensäure |
| pyruvic acid level | Brenztraubensäurespiegel |
| pyrvinium | Pyrvinium |
| pyrvinium chloride | Pyrviniumchlorid |
| pyrviniummembonate | Pyrviniummembonat |
| pyrylium | Pyrylium |
