parheliacal
— Adjective
– English
~ relating to or resembling a parhelion
parhelic circle
— Noun
– English
~ a luminous halo parallel to the horizon at the altitude of the sun; caused by ice crystals in the atmosphere
parhelic
— Adjective
– English
~ relating to or resembling a parhelion
parhelion
— Noun
– English
~ a bright spot on the parhelic circle; caused by diffraction by ice crystals; "two or more parhelia are usually seen at once"