HERMAN SNELLENHerman Snellen · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:HERMAN SNELLENTier 1Ordinal140Pythagorean59Classical132Reverse211Reverse Reduction67Standard515Final Large1815Ordinal119Reduced38Atbash178Isopsephy574Ordinal142Abjad519