IRRATIONAL NUMBERirrational number · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:IRRATIONAL NUMBERTier 1Ordinal190Pythagorean82Classical180Reverse242Reverse Reduction107Standard1204Final Large1204Ordinal169Reduced43Atbash598Isopsephy1269Ordinal198Abjad1207