photism /fōˈti-zm/

1. A hallucinatory vision of light
2. A visual sensation that results from the experience of hearing, feeling, tasting, smelling or thinking something

• hydremia
• hydremias
• hydria
• hydriae
• hydric
• hydrically
• hydride
• hydrides
• hydriodic
• hydro
• hydro-
• hydro-aeroplane
• hydro-aeroplanes
• hydro-airplane
• hydro-airplanes
• hydrobiological
• hydrobiologies
• hydrobiologist
• hydrobiologists
• hydrobiology
• hydrobromic
• hydrocarbon
• hydrocarbons
• hydrocele
• hydroceles