u·ni·fy (yōō'nə-fī') tr. & intr.v.
u·ni·fied, u·ni·fy·ing, u·ni·fies To make into or become a unit; consolidate.
[French unifier, from Old French, from Late Latin ūnificāre : Latin ūni-, uni- + Latin -ficāre, -fy.] u'ni·fi'a·ble adj., u'ni·fi·ca'tion (-fĭ-kā'shən) n., u'ni·fi'er n.
1502, "to make into one," from M.Fr. unifier (14c.), from L.L. unificare "make one," from L. uni- "one" (see uni-) + root of facere "to make" (see factitious). Unification is attested from 1851; the Unification Church was founded 1954 in Korea by Sun Myung Moon. Unified is attested from 1862. Unified (field) theory in physics is recorded from 1935.
unifier The unifier of a set of expressions is a set of substitutions of terms for variables such that the expressions are all equal. See also most general unifier, unification. (1994-12-06)