- poly (decamethylene sebacate)
- polydecker sandwich complex
- polydentate ligand
- polyderm
- polydesmic process
- Polydeuces
- polydibenzosilole
- polydiene
- poly(dimethyl-diallyl ammonium chloride)
- polydioptric camera
- poly (diphenyl ether sulfone)
- polydirectional
- polydisc
- polydisk
- polydisk algebra
- polydisperse
- polydisperse polymer
- polydisperse polymer; non-uniform polymer
- polydispersity
- polydispersity index of relative molecular mass
- polydispersity index (PDI) of relative molecular mass
- polydispersity of colloidal particles
- polydispersity of relative molecular mass
- polydomain
- polydopamine