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; as, a twin brother or sister. [1913 Webster]

2. Being one of a pair much resembling one another; standing the relation of a twin to something else; -- often followed by to or with. --Shak. [1913 Webster]

3. (Bot.) Double; consisting of two similar and corresponding parts. [1913 Webster]

4. (Crystallog.) Composed of parts united according to some definite law of twinning. See {Twin}, n., 4. [1913 Webster]

{Twin boat}, or {Twin ship} (Naut.), a vessel whose deck and upper works rest on two parallel hulls.

{Twin crystal}. See {Twin}, n., 4.

{Twin flower} (Bot.), a delicate evergreen plant ({Linn[ae]a borealis}) of northern climates, which has pretty, fragrant, pendulous flowers borne in pairs on a slender stalk.

{Twin-screw steamer}, a steam vessel propelled by two screws, one on either side of the plane of the keel. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • twin crystal — noun see twin II, 4 * * * twin crystal or twinned crystal noun (crystallography, mineralogy) A crystal composed of two or more individuals in a systematic crystallographic orientation with respect to one another • • • Main Entry: ↑twin …   Useful english dictionary

  • twin crystal — dvynasis kristalas statusas T sritis fizika atitikmenys: angl. twin; twin crystal vok. Zwilling, m; Zwillingskristall, m rus. двойник, m; двойниковый кристалл, m pranc. cristal jumelé, m; cristal maclé, m; macle, f …   Fizikos terminų žodynas

  • twin crystal — noun either of two separate crystals that share crystal lattice points in a symmetrical manner and intergrow See Also: crystal twinning …   Wiktionary

  • 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 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

  • twin axis — noun The axis of symmetry of a twin crystal • • • Main Entry: ↑twin …   Useful english dictionary

  • twin plane — noun The plane of symmetry of a twin crystal • • • Main Entry: ↑twin …   Useful english dictionary

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