BACKGROUND SIGNALbackground signal · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:BACKGROUND SIGNALTier 1Ordinal158Pythagorean68Classical150Reverse274Reverse Reduction94Standard544Final Large544Ordinal139Reduced49Atbash1083Isopsephy964Ordinal163Abjad466