Twinning

Twinning
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 pressure), the process by which this reversal is brought about. [1913 Webster]

{Polysynthetic twinning}, repeated twinning of crystal lamell[ae], as that of the triclinic feldspars.

{Repeated twinning}, twinning of more than two crystals, or parts of crystals.

{Twinning axis}, {Twinning plane}. See the Note under {Twin}, n. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • 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… …   Wikipedia

  • 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 axis — 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… …   The Collaborative International Dictionary of English

  • Twinning plane — 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… …   The Collaborative International Dictionary of English

  • twinning rate — twinning rate. См. близнецовый показатель. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

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