twin plane

twin plane noun
The plane of symmetry of a twin crystal
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Main Entry:twin

Useful english dictionary. 2012.

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  • Twin — Twin, n. 1. One of two produced at a birth, especially by an animal that ordinarily brings forth but one at a birth; used chiefly in the plural, and applied to the young of beasts as well as to human young. [1913 Webster] 2. pl. (Astron.) A sign… …   The Collaborative International Dictionary of English

  • Twin — Twin, a. [OE. twin double, AS. getwinne two and two, pl., twins; akin to D. tweeling a twin, G. zwilling, OHG. zwiniling, Icel. tvennr, tvinnr, two and two, twin, and to AS. twi two. See {Twice}, {Two}.] 1. Being one of two born at a birth; as, a …   The Collaborative International Dictionary of English

  • Twin boat — Twin Twin, a. [OE. twin double, AS. getwinne two and two, pl., twins; akin to D. tweeling a twin, G. zwilling, OHG. zwiniling, Icel. tvennr, tvinnr, two and two, twin, and to AS. twi two. See {Twice}, {Two}.] 1. Being one of two born at a birth;… …   The Collaborative International Dictionary of English

  • Twin crystal — Twin Twin, a. [OE. twin double, AS. getwinne two and two, pl., twins; akin to D. tweeling a twin, G. zwilling, OHG. zwiniling, Icel. tvennr, tvinnr, two and two, twin, and to AS. twi two. See {Twice}, {Two}.] 1. Being one of two born at a birth;… …   The Collaborative International Dictionary of English

  • Twin flower — Twin Twin, a. [OE. twin double, AS. getwinne two and two, pl., twins; akin to D. tweeling a twin, G. zwilling, OHG. zwiniling, Icel. tvennr, tvinnr, two and two, twin, and to AS. twi two. See {Twice}, {Two}.] 1. Being one of two born at a birth;… …   The Collaborative International Dictionary of English

  • Twin ship — Twin Twin, a. [OE. twin double, AS. getwinne two and two, pl., twins; akin to D. tweeling a twin, G. zwilling, OHG. zwiniling, Icel. tvennr, tvinnr, two and two, twin, and to AS. twi two. See {Twice}, {Two}.] 1. Being one of two born at a birth;… …   The Collaborative International Dictionary of English

  • Twin-screw steamer — Twin Twin, a. [OE. twin double, AS. getwinne two and two, pl., twins; akin to D. tweeling a twin, G. zwilling, OHG. zwiniling, Icel. tvennr, tvinnr, two and two, twin, and to AS. twi two. See {Twice}, {Two}.] 1. Being one of two born at a birth;… …   The Collaborative International Dictionary of English

  • Plane of immanence — is a founding concept in the metaphysics or ontology of French philosopher Gilles Deleuze. Immanence, meaning existing or remaining within generally offers a relative opposition to transcendence, a divine or empirical beyond (constituting the… …   Wikipedia

  • twin*/ — [twɪn] noun [C] I one of two children who were born at the same time to the same mother my twin brother/sister[/ex] II adj twin [twɪn] forming a pair of two similar things a plane with twin engines[/ex] III verb twin [twɪn] be twinned (with sth)… …   Dictionary for writing and speaking English

  • plane — [adj] level, horizontal even, flat, flush, plain, planate, regular, smooth, uniform; concepts 490,581 Ant. upright, vertical plane [n1] flat surface; level condition, degree, extension, face, facet, footing, grade, horizontal, obverse, position,… …   New thesaurus

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