Twinning (making a twin of) may have the following meanings:

* In biology and agriculture, producing two offspring (i.e., twins) at a time, or having a tendency to do so;
* City and town twinning;
* eTwinning, a collaboration between schools in which two schools in different geographic locations are paired and communicate using the Internet;
* Widening of a road by construction of another one next to it, with a median in between (Canadian English), upgrading the road into a (usually) four-lane dual carriageway (divided highway);
* Crystal twinning in crystallography refers to intergrown crystal forms which display a twin boundary: Crystal habit;
* "Twinning" is a jargon term in motion pictures for various special effects that allow to double (or multiply) the presence of the same actor or actress on screen;
* "Twinning" is a jargon term in animation when two parts on opposite sides of a character's body are moving the same way.
* "Twinning" is a concept in education in Malaysia, where private colleges offer programmes whereby the student does part of his degree course locally and part of it in an overseas institution tied to the college.

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Look at other dictionaries:

  • Twinning — Twin ning, n. (Crystallog.) The assemblage of two or more crystals, or parts of crystals, in reversed position with reference to each other in accordance with some definite law; also, rarely, in artificial twinning (accomplished for example by… …   The Collaborative International Dictionary of English

  • twinning — [twin′iŋ] n. 1. the bearing of twins 2. a pairing or coupling 3. the formation of a twin crystal or crystals …   English World dictionary

  • Twinning — Als Twinning wird das von der Europäischen Union finanzierte Programm zum Auf und Ausbau öffentlicher Strukturen („Institution Building“) in Beitrittskandidadaten der Europäischen Union bezeichnet. Dabei gilt es, den acquis communautaire… …   Deutsch Wikipedia

  • twinning — /twin ing/, n. 1. the bearing of two children at one birth. 2. the coupling of two persons or things; union. 3. Crystall. the union of crystals to form a twin. [1565 75; TWIN1 + ING1] * * * ▪ crystallography       in crystallography, regular… …   Universalium

  • Twinning — Recorded in several forms as shown below, this surname is English and pre medieval in origin. It is locational and derives from Twyning , a village in Gloucestershire, near Tewkesbury. The placename is recorded in the Saxon Charters of 814 as… …   Surnames reference

  • Twinning — Twin Twin, v. i. [imp. & p. p. {Twinned}; p. pr. & vb. n. {Twinning}.] 1. To bring forth twins. Tusser. [1913 Webster] 2. To be born at the same birth. Shak. [1913 Webster] …   The Collaborative International Dictionary of English

  • twinning — bikristalų susidarymas statusas T sritis radioelektronika atitikmenys: angl. twinning vok. Zwillingsbildung, f rus. двойникование, n pranc. maclage, m …   Radioelektronikos terminų žodynas

  • twinning — 1. noun a) action of the verb to twin b) giving birth to twins 2. adjective biparous …   Wiktionary

  • twinning — Production of equivalent structures by division; the tendency of divided parts to assume symmetric relations. * * * twin·ning twin iŋ n the bearing of twins * * * twin·ning (twinґing) 1. the simultaneous production of two (or more) offspring. 2.… …   Medical dictionary

  • twinning — Смотри Двойникование …   Энциклопедический словарь по металлургии

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