PICOSECONDpicosecond · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:PICOSECONDTier 1Ordinal103Pythagorean49Classical98Reverse167Reverse Reduction50Standard416Final Large416Ordinal110Reduced38Atbash331Isopsephy529Ordinal124Abjad179