anthelion /an-thēˈli-ən or -lyən/

1. A luminous coloured ring seen on a cloud or fog bank opposite the sun
2. A white spot on the parhelic circle seen opposite the sun

• psychotropics
• psychrometer
• psychrometers
• psychrometric
• psychrometrical
• psychrometries
• psychrometry
• psychrophilic
• psychs
• psych-up
• psych-ups
• psylla
• psyllas
• psyllid
• Psyllidae
• psyllids
• psyllid yellows
• psyllium
• psylliums
• psyop
• psywar
• pt
• PT
• Pt
• pta