subsellium /sub-selˈi-əm/

1. A seat in a Roman amphitheatre
2. A misericord

• photochromy
• photocoagulation
• photocomposition
• photoconducting
• photoconductive
• photoconductivity
• photocopiable
• photocopied
• photocopier
• photocopiers
• photocopies
• photocopy
• photocopying
• photocopyings
• photocurrent
• photocurrents
• photodegradable
• photodiode
• photodiodes
• photodissociation
• photodynamic
• photoelastic
• photoelasticities
• photoelasticity
• photoelectric