unification

Noun

unification (countable and uncountable, plural unifications)

1. The act or process of unifying.
   • The route between Melbourne and Albury is one of the first scheduled, under the great Australian gauge unification scheme, for conversion to 4 ft. 8½ in., and this will permit through running between Melbourne, Sydney and Brisbane.1946 March–April, “Notes and News: The ‘Spirit of Progress,’ Victorian Railways”, in The Railway Magazine, London: Tothill Press, →ISSN, →OCLC, page 119
   • Despite criticisms which were made of the Railway Executive, it must be recalled that the general framework of the new railway set-up was established by statute, while this form of organisation was particularly well adapted for carrying out the unification of the railways—a very different thing...1958 January, Borderer [pseudonym], “Ten Years of British Railways”, in The Railway Magazine, London: Tothill Press, →ISSN, →OCLC, page 13

   Synonyms:

   unifying, union, uniting

   Antonyms:

   deunification, dissolution, disunification, disuniting, dividing, division

2. The state of being unified.
   • Chinese domination in Manchuria was revived after the unification of China by the Sui Dynasty in a.d. 590, though this could not be called entirely complete because the Kaokouli kingdom could not be subjugated.1936, D. M. B. Collier, C[ecil John] L’E[strange] Malone, “The Birth of a Country”, in Manchoukuo: Jewel of Asia, London: George Allen & Unwin […], →OCLC, page 21
   • On November 15 our Ministry of Foreign Affairs informed Soviet ambassador Petrov of this decision. At the same time I sent a message to President Harry S. Truman, pointing out that Soviet Russia's treaty violations and bad faith in Manchuria not only were detrimental to China's territorial...1957, Chiang Chung-cheng (Chiang Kai-shek), Soviet Russia in China: A Summing-up at Seventy, New York, N.Y.: Farrar, Straus and Cudahy, →OCLC, page 146

   Synonyms:

   union

   Antonyms:

   deunification, dissolution, disunification, disuniting, dividing, division

3. An algorithmic process of solving equations between symbolic expressions.
   • For any two terms or formulas without quantifiers X and Y, the following holds. (i) The unification algorithm UNIF#95;1, applied to X, Y, terminates after a finite number of steps. (ii) #92;#123;X,Y#92;#125; is unifiable iff UNIF#95;1 so indicates upon termination. Moreover, the substitution σ then...1982, Wolfgang Bibel, “The Connection Method in First-order Logic”, in Automated Theorem Proving, Braunschweig, Lower Saxony; Wiesbaden, Hesse: Friedr[ich] Vieweg & Sohn, →DOI, →ISBN, page 94