OLDUVAI GORGEOlduvai Gorge · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:OLDUVAI GORGETier 1Ordinal136Pythagorean64Classical129Reverse188Reverse Reduction62Standard274Final Large274Ordinal76Reduced40Atbash883Isopsephy698Ordinal113Abjad350