VERTICAL SURFACEvertical surface · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:VERTICAL SURFACETier 1Ordinal163Pythagorean64Classical155Reverse242Reverse Reduction98Standard1192Final Large1192Ordinal166Reduced40Atbash249Isopsephy1694Ordinal182Abjad1110