| polenta | hominy |
| Polesia | Polesia |
| Polesine | Polesine |
| Poli celesti | Celestial poles |
| Poli galattici | Galactic poles |
| Poli magnetici | Magnetic poles |
| Poliacetilene | Polyacetylene |
| Poliakovce | Poliakovce |
| poliammide | polyamide |
| Poliammine | Polyamine |
| poliandria | polyandry |
| Polibasite | Polybasite |
| Polibio | Polybius |
| Polibutadiene | Polybutadiene |
| Policleto | Polykleitos |
| policlinica | outpatient clinic |
| Policlinico Gemelli | Agostino Gemelli University Polyclinic |
| policlorodibenzo-p-diossina | polychlordibenzo-p-dioxin |
| Policoro | Polychoron |
| Policy analysis | Policy analysis |
| Polidamante | Poludamas |
| Polidimetilsilossano | Polydimethylsiloxane |
| Polido | Polyeidos |
| Poliedri di Keplero-Poinsot | Kepler-Poinsot polyhedron |
| poliedrico | many-sided |
| Poliedro | Polyhedron |
| Poliedro composto | Polyhedral compound |
| Poliedro di Keplero-Poinsot | Kepler-Poinsot polyhedron |
| poliedro duale | dual polyhedron |
| Polieno di Lampsaco | Polyaenus of Lampsacus |
| poliestere | polyester |
| Polietere | Polyether |
| Polietilene | Polyethylene |
| Polietilene tereftalato | Polyethylene terephthalate |
| polietilentereftalato | polyethylene terephtalate |
| Poliez-le-Grand | Poliez-le-Grand |
| Poliez-Pittet | Poliez-Pittet |
| Polifagia | Polyphagia |
| Polifemo | Polyphemus |
| Polifenolo | Polyphenol |
| Polifiletico | Polyphyly |
| polifonia | polyphony |
