Origin of equivalent
British Dictionary definitions for unequivalent
- having a particular property in common; equal
- (of two equations or inequalities) having the same set of solutions
- (of two sets) having the same cardinal number
Word Origin for equivalent
Word Origin and History for unequivalent
early 15c., from Middle French equivalent and directly from Late Latin aequivalentem (nominative aequivalens) "equivalent," present participle of aequivalere "be equivalent," from Latin aequus "equal" (see equal) + valere "be well, be worth" (see valiant). As a noun from c.1500.
Medicine definitions for unequivalent
Science definitions for unequivalent
- Of or relating to a relation between two elements that is reflexive, symmetric, and transitive.
- Having a one-to-one correspondence, as between parts. Two triangles having the same area are equivalent, as are two congruent geometric figures.