BIREFRINGENCEbirefringence · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:BIREFRINGENCETier 1Ordinal115Pythagorean79Classical111Reverse236Reverse Reduction74Standard705Final Large705Ordinal129Reduced30Atbash614Isopsephy860Ordinal140Abjad628