parhelic circle


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par·he·lic circle

 (pär-hē′lĭk)
n.
A luminous halo visible at the height of the sun and parallel to the horizon, caused by the sun's rays reflecting off atmospheric ice crystals. Also called parhelic ring.

parhelic circle

n
(Physical Geography) meteorol a luminous band at the same altitude as the sun, parallel to the horizon, caused by reflection of the sun's rays by ice crystals in the atmosphere
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.parhelic circle - a luminous halo parallel to the horizon at the altitude of the sunparhelic circle - a luminous halo parallel to the horizon at the altitude of the sun; caused by ice crystals in the atmosphere
halo - a circle of light around the sun or moon
References in periodicals archive ?
Dispersion of sunlight passing through the crystals can make parhelia colorful, but no spectral colors appear in the parhelic circle nor in the other, rarer spots of intensified glow on it.
Constantine's apparition occurred while the Sun was low in the sky, making possible the halo structure called the parhelic circle, so named because the two bright parhelia, or "sundogs," 22[degree sign] from the Sun lie upon it.
I'm referring to the daytime halo phenomenon called the parhelic circle.