solar halo solar gravity • solar heater · · · Info · Definitions · Synonyms · Characters · · solar halo · · Text Common · · Latin · · Scripts 10 · · Length 4 · · Syllables Definitions · · · (noun) a luminous halo parallel to the horizon at the altitude of the sun; caused by ice crystals in the atmosphere. Synonyms: solar halo, parhelic circle, parhelic ring. · · Noun Definition 1 Synonyms · · · parhelic circle · · Synonym 1 parhelic ring · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 h latin small letter h U+0068 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073