Twin

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 and constellation of the zodiac; Gemini. See {Gemini}. [1913 Webster]

3. A person or thing that closely resembles another. [1913 Webster]

4. (Crystallog.) A compound crystal composed of two or more crystals, or parts of crystals, in reversed position with reference to each other. [1913 Webster]

Note: The relative position of the parts of a twin may be explained by supposing one part to be revolved 180[deg] about a certain axis (called the twinning axis), this axis being normal to a plane (called the twinning plane) which is usually one of the fundamental planes of the crystal. This revolution brings the two parts into parallel position, or vice versa. A contact twin is one in which the parts are united by a plane surface, called the composition face, which is usually the same as the twinning plane. A penetration twin is one in which the parts interpenetrate each other, often very irregularly. Twins are also called, according to form, cruciform, geniculated, etc. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Twin — est la marque commerciale d une offre de téléphonie mobile proposée en France par Neuf Cegetel, qui est à la fois opérateur alternatif de services haut débit fixes (ADSL, FTTH...) et aussi opérateur de réseau mobile virtuel (MVNO). Cette offre a… …   Wikipédia en Français

  • 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*/ — [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

  • twin — /twɪn / (say twin) noun 1. (plural) two children or animals brought forth at a birth. 2. one of two such children or animals. 3. (plural) two persons or things closely related or connected or closely resembling each other. 4. either of two such… …   Australian English dictionary

  • Twin-X — is a group of twin brothers Kenny and Tywo Isaac Akintoye that hail from the ancient city of Ibadan, Oyo state. They started music from the church in 1991, but their current style is influenced by the likes of Bob Marley, Ebenezer Obey, Fela Kuti …   Wikipedia

  • Twin — steht für: Twin Astir, ein Segelflugzeug Twin (Desktopumgebung), eine grafische Umgebung für POSIX konforme Plattformen Suzuki Twin, ein Kleinstwagen von Suzuki Zweizylindermotor Siehe auch: Twins Tween Twin Rivers …   Deutsch Wikipedia

  • twin — [adj] duplicate, similar accompanying, bifold, binary, copied, corresponding, coupled, double, dual, duplicating, geminate, identical, joint, like, matched, matching, paired, parallel, same, second, selfsame, twofold, very same; concepts… …   New thesaurus

  • twin — [twin] adj. [ME < OE twinn & ON tvinnr, double, both < base of TWO] 1. a) consisting of or being two separate but similar or closely related things; forming a pair; double; paired [twin beds] b) being one of a pair of such things; being a… …   English World dictionary

  • Twin — Twin, v. i. To depart from a place or thing. [Obs.] Ere that we farther twin. Chaucer. [1913 Webster] …   The Collaborative International Dictionary of English

  • Twin — Twin, v. t. 1. To cause to be twins, or like twins in any way. Shak. [1913 Webster] Still we moved Together, twinned, as horse s ear and eye. Tennyson. [1913 Webster] 2. To separate into two parts; to part; to divide; hence, to remove; also, to… …   The Collaborative International Dictionary of English

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