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

• hydrogen ions
• hydrogenise
• hydrogenised
• hydrogenises
• hydrogenising
• hydrogenize
• hydrogenized
• hydrogenizes
• hydrogenizing
• hydrogenous
• hydrogen peroxide
• hydrogens
• hydrogen sulphide
• hydrogeologies
• hydrogeologist
• hydrogeologists
• hydrogeology
• luffing
• luffing crane
• luffing cranes
• luffing-jib crane
• luffs
• Luftwaffe
• lug
• lug-chair