biequivalent en · ADJ
Etymology
From bi- + equivalent.
Meanings
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(not-comparable, of two entities A and B) Both left equivalent and right equivalent; Having the property that there exists a pair of mappings M₁ (A->B) and M₂ (B->A) such that M₁M₂(A) is equivalent to applying the unity operator to A and M₂ M₁(B) is equivalent to applying the unity operator to B.
We define strict and weak duality involutions on 2-categories, and prove a coherence theorem that every bicategory with a weak duality involution is biequivalent to a 2-category with a strict duality involution.
2016, Michael Shulman, “Contravariance through enrichment”, in arXiv:
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(not-comparable) Capable of replacing a bond formed by H₂ to any molecule.
This is chloride of ammomium, in which 2 atoms of hydrogen are displaced by the biequivalent atom of mercury.
1876, John Forbes Royle, John Harley, Royle's Manual of Materia Medica and Therapeutics: