六价的，六元的：含六个原子或六个可取代单价原子的- photomyoclonic
- photomyogenic
- photon
- photoncia
- photone
- photo-onycholysis
- photo-ophthalmia
- photoparoxysmal
- photopathy
- photoperceptive
- photoperiod
- photoperiodic
- photoperiodicity
- photoperiodism
- photopharmacology
- photophilic
- photophobia
- photophobic
- photophosphorylation
- photo-,phot-
- photophthalmia
- photopia
- photopic
- photoproduct
- photoprotection