aplomb /ə-plomˈ or (French) a-plɔ̃ˈ/

1. Literally, perpendicularity
2. Self-possession, coolness

• photoconducting
• photoconductive
• photoconductivity
• photocopiable
• photocopied
• photocopier
• photocopiers
• photocopies
• photocopy
• photocopying
• photocopyings
• photocurrent
• photocurrents
• photodegradable
• photodiode
• photodiodes
• photodissociation
• photodynamic
• photoelastic
• photoelasticities
• photoelasticity
• photoelectric
• photoelectric cell
• photoelectricity
• photoelectrode