REGULAR TETRAHEDRONregular tetrahedron · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:REGULAR TETRAHEDRONTier 1Ordinal210Pythagorean93Classical200Reverse276Reverse Reduction105Standard1704Final Large2354Ordinal174Reduced48Atbash593Isopsephy1582Ordinal214Abjad1709