| poly peptide | proteína |
| Poly Play | Poly Play |
| Poly vinyl pyrrolidone | Polivinilpirrolidona |
| Polyalphabetic cipher | Cifrado de Trithemius |
| polyamide | poliamida |
| Polyamine | Poliamina |
| polyandry | poliandria |
| polyanthus | primavera |
| Polybasite | Polibasita |
| Polybius | Polibio |
| Polybius square | Cuadrado de Polibio |
| polybrominated biphenyl | bifenilos polibromados |
| Polybrominated diphenyl ethers | PBDE |
| Polybutadiene | Polibutadieno |
| Polycaprolactone | Policaprolactona |
| Polycarp | Policarpo de Esmirna |
| Polycarpus I of Byzantium | Policarpo I de Bizancio |
| polychlordibenzo-p-dioxin | dioxina de polychlordibenzo-p |
| polychlorinated biphenyl | bifenilos policlorados |
| polychlorinated dibenzofuran | dibenzofurano policlorinado |
| polychlorinated terphenyl | terfenilos policlorados |
| Polychoron | Polícoro |
| Polychrotidae | Polychrotidae |
| Polycrates | Polícrates de Samos |
| Polycrates of Ephesus | Polícrates de Samos |
| polycyclic aromatic hydrocarbon | hidrocarburo aromático policíclico |
| polycyclic hydrocarbon | hidrocarburo policíclico |
| Polycystic ovary syndrome | Síndrome de ovario poliquístico |
| Polydectes | Polidectes |
| Polydeuces | Pollux |
| Polydextrose | Polidextrosa |
| Polydispersity index | Polidispersidad |
| Polydivisible number | Número polidivisible |
| Polydor Records | Polydor Records |
| Polydora | Polidoro |
| Polydore Vergil | Polidoro Virgilio |
| Polydorus | Polidoro |
| polyester | poliéster |
| Polyethylene | Polietileno |
| Polyethylene glycol | Poli |
| polyethylene terephtalate | polietileno terephtalate |
| Polygala | Polygala |
| Polygalaceae | Polygalaceae |
| polygamist | polígamo |
| Polygamma function | Función poligamma |
| polygamous | polígamo |
| polygamy | poligamia |
| polyglot | plurilingüe |
| Polygnotus | Polignoto |
| polygon | polígono |
| Polygonaceae | Polygonaceae |
| Polygonal number | Número poligonal |
| Polygonatum | Polygonatum |
| Polygonum | Polygonum |
| Polygonum aviculare | Polygonum aviculare |
| Polygonum multiflorum | Polygonum multiflorum |
| Polyhedron | Poliedro |
| Polyhymnia | Polimnia |
| Polykarp Kusch | Polykarp Kusch |
| Polykleitos | Policleto |
| Polykleitos the Younger | Policleto |
| Polylactic acid | Poliácido láctico |
| polymer | polímero |
| Polymerase chain reaction | Reacción en cadena de la polimerasa |
| polymerisation | polimerización |
| Polymestor | Polimestor |
| polymorphic | polimorfo |
| polymorphous | polimorfo |
| Polynesia | Polinesia |
| Polynesian Rat | Rattus exulans |
| Polynomal | Polinomio |
| Polynomial | Polinomio |
| Polynomial long division | División polinomial |
| Polynomial ring | Anillo de polinomios |
| Polynomial-time reduction | Transformación polinómica |
| Polynucleotide | Polinucleótido |
| Polyolefin | Poliolefina |
| Polyomavirus | Polyomavirus |
| Polyoxymethylene | Poliacetal |
| polyp | pólipo |
| Polyperchon | Poliperconte |
| Polyphaga | Polyphaga |
| Polyphemus | Polifemo |
| Polyphenol | Polifenol |
| Polyphenols | Vino |
| polyphony | polifonía |
| Polyphyly | Polifilético |
| Polyplacophora | Polyplacophora |
