parhelia
Definition
Noun (plural: parhelia; singular: parhelion) - Meteorological phenomenon: "Parhelia" are bright spots or patches of light that appear on either side of the sun, often forming a halo or ring around it. They are caused by the refraction of sunlight through ice crystals in the atmosphere, typically occurring in cold weather or high-altitude clouds.
Usage Examples
- (Bright spots on the sides of the sun due to ice crystals.)
- (Meteorological phenomenon visible from an aircraft.)
Advanced Usage
- "Parhelia" as a scientific term: In atmospheric optics, parhelia are also known as "sun dogs" or "mock suns." They are most commonly seen when the sun is low on the horizon.
- The formation of parhelia requires hexagonal ice crystals and a precise alignment of light. (The specific conditions needed for the phenomenon.)
Variants and Related Words
- Parhelion (n): the singular form of parhelia.
- A single parhelion appeared to the left of the sun. (One bright spot.)
- Parhelic (adj): relating to or resembling parhelia.
- The parhelic arc is a rare optical effect associated with parhelia. (A related atmospheric phenomenon.)
Synonyms
- Sun dog: a common informal term for parhelia.
- Look at that sun dog beside the sun! (A bright spot on the side of the sun.)
- Mock sun: another synonym for parhelion.
- Ancient sailors often interpreted mock suns as omens. (Historical references to parhelia.)
Related Idioms
- "Chasing parhelia": a poetic or metaphorical phrase meaning to pursue something rare or illusory.
- His quest for fame was like chasing parhelia — beautiful but fleeting. (Pursuing an elusive goal.)