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subhelic arc. In DICTIOUS you will not only get to know all the dictionary meanings for the word
subhelic arc, but we will also tell you about its etymology, its characteristics and you will know how to say
subhelic arc in singular and plural. Everything you need to know about the word
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English
Noun
subhelic arc (plural subhelic arcs)
- A rare halo, formed by internal reflection through ice crystals, that curves upwards from the horizon and touches the tricker arc above the anthelic point.