- poly-nuclear
- poly-plant
- poly-reaction
- poly-substitution
- polyacetal
- polyacoustic
- polyacrylamide
- polyad
- polyadelphous
- polyadenoma
- polyadenous
- polyadenpathy
- polyadic
- polyadic relation
- polyadic set
- polyalcohol
- polyalgesia
- polyamide
- polyamide plastic
- polyamide resin
- polyandrist
- polyandrous
- polyandry
- polyanglitis
- polyanthus
- polyarteritis
- polyarteritisnodosa
- polyarthric
- polyarthritis
- polyarthritisrheumatica acute
- polyatomic
- polyatomic molecule
- polyauxotroph
- polyavitaminosis
- polyaxonic
- polybag
- polybasic
- polybasic acid
- polybenzimidazole
- polyblast
- polyblends
- polybutadiene
- polybutane oil
- polycaprolactam fiber
- polycarp
- polycarpellary
- polycarpous
- polycellular
- polycentric
- polycentrism
- polycephalous
- polyceptor
- polychaete
- polychaetous
- polychasial
- polychasium
- polychemotherapy
- polychloroprene latex
- polychlorotrifluoroethylene
- polycholia
- polychondriltis
- polychord
- polychroism
- polychromate
- polychromatic
- polychromatic beam
- polychromatic glass
- polychromatic light
- polychromatic radiation
- polychromatism
- polychromatocyte
- polychromatophilic erythroblast
- polychrome
- polychrome printing
- polychromia
- polychromophil
- polychromy
- polychronism
- polychylia
- polyclinic
- polyclinical department
- polyco process
- polycondensation
- polyconic
- polyconic projection
- polycoria
- polycot
- polycotyl
- polycotyledon
- polycracy
- polycrystal
- polycrystalline
- polycrystalline coating
- polycrystalline silicon
- polycyclic
- polycyclic group
- polycyclinder
- polycylic
- polycylinder
- polycystic