| Polyol | Polyol |
| Polyomino | Polyomino |
| Polyoxymethylene | Polyoxyméthylène |
| polyp | polype |
| Polyperchon | Polyperchon |
| Polyphaga | Polyphaga |
| Polyphagia | Polyphage |
| Polyphasic sleep | Sommeil polyphasique |
| Polyphemus | Polyphème |
| Polyphenol | Polyphénol |
| Polyphenols | Vin |
| polyphony | polyphonie |
| Polyphyly | Polyphylétique |
| Polypodiaceae | Polypodiaceae |
| Polypodiales | Polypodiales |
| Polypodiophyta | Filicophyta |
| Polypodium | Polypodiozoa |
| Polypodium vulgare | Polypode commun |
| Polyporaceae | Polyporaceae |
| Polyporales | Aphyllophorales |
| Polyporus squamosus | Polypore écailleux |
| Polypterus | Polypterus |
| polypus | polype |
| Polyrhythm | Polyrythmie |
| Polysome | Polysome |
| Polysomnography | Polysomnographie |
| Polystichum | Polystichum |
| Polystichum aculeatum | Polystic à aiguillons |
| polystyrene | polystyrène |
| polysyllabic | polysyllabe |
| polysyllable | polysyllabe |
| Polysynody | Polysynodie |
| Polysynthetic language | Langue polysynthétique |
| Polysynthetic languages | Langue polysynthétique |
| polytechnic | École polytechnique |
| polytechnic school | École polytechnique |
| Polytechnic University of Bucharest | Université Politehnica |
| Polytechnic University of Catalonia | Universitat Politècnica de Catalunya |
| Polytechnic University of the Philippines | Université polytechnique des Philippines |
| Polytechnic University of Turin | École polytechnique de Turin |
| Polytechnic University of Valencia | Université Polytechnique de Valence |
| Polytene chromosome | Chromosome polytène |
| polytheism | polythéisme |
| polytheistic | polythéiste |
| polythene | polyéthylène |
| Polythiophene | Polythiophène |
