hafgerdingar effect
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hafgerdingar — Also known as hafgerdingar effect. Hafgerdingar is Norse for sea hedges or sea fences . The term denotes a circular *physical illusion depicting a giant wave similar to those occasionally reported in Polar sea regions. The term hafgerdingar… … Dictionary of Hallucinations
superior mirage — Also known as arctic mirage. Both terms are indebted to the French verb se mirer,which means to reflect or to be reflected. The designation superior refers to the position of the phenomenon relative to the horizon or a distant object. The… … Dictionary of Hallucinations
