ATTOSECONDattosecond · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:ATTOSECONDTier 1Ordinal116Pythagorean35Classical110Reverse154Reverse Reduction55Standard1026Final Large1026Ordinal108Reduced36Atbash283Isopsephy1020Ordinal129Abjad948