12-TONE SYSTEM12-tone system · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:12-TONE SYSTEMTier 1Ordinal155Pythagorean38Classical145Reverse115Reverse Reduction52Standard1026Final Large2236Ordinal117Reduced36Atbash157Isopsephy1570Ordinal157Abjad1028