ENGINEER'S CHAINengineer's chain · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:ENGINEER'S CHAINTier 1Ordinal131Pythagorean77Classical126Reverse247Reverse Reduction76Standard441Final Large1091Ordinal108Reduced36Atbash378Isopsephy1089Ordinal144Abjad462