multiple twinn.

Brit.

/ˌmʌltᵻpl ˈtwɪn/, U.S.

/ˌməltəp(ə)l ˈtwɪn/

Origin: Formed within English, by compounding. Etymons: multiple adj., twin n.

Etymology: < multiple adj. + twin n. In sense 1 apparently earliest in multiple twin cable (see quot. 1922 at sense 1). With sense 2 compare earlier penetration twin n. at penetration n. Compounds.

1. Telephony. A cable with a number of cores each of which consists of four wires arranged as two twisted pairs twisted together. Usually attributive.

ΘΚΠ

society > communication > telecommunication > telegraphy or telephony > [noun] > line

wire1813

line1847

wire line1848

loop1863

landline1865

saddle wire1876

telephone line1877

concentric cable1888

Pupin cable1904

multiple twin1922

quad1922

twisted pair1923

star quad1927

music line1929

coaxial cable1934

coax1945

1922 Encycl. Brit. XXXII. 709/1 In..the ‘multiple twin cable’ the centre of yarn is dispensed with, and the cable consists of a number of 4-wire cores.

1959 J. W. Freebody Telegr. vi. 173/2 With the multiple-twin type [of cable] the paper insulated conductors are first twisted into pairs and two such pairs are then twisted together to form the two pair core or quad.

2. Crystallography. A twinned crystal composed of alternating lamellae whose relative orientations are all governed by the same twin law.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > crystal types > [noun] > composite crystals > twin > types of

penetration twin1868

juxtaposition twin1883

multiple twin1932

1888 N. Amer. Rev. July 53 They were perfect spheres, the result of a multiple twinning of the cubic form of the diamond.]

1932 Amer. Mineralogist 17 360 The diamond multiple twin..is from South Africa.

1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) V. 208/1 The width of the lamellae in multiple twins of plagioclases is usually about 1 mm and smaller.

1994 Philos. Mag. A. 69 1125 In the initial stage of the growth process of ZnO particles, it is assumed that octahedral multiple twins (octa-twins) are nucleated as embryos.

This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).

单词	multiple twin
释义	multiple twinn. Brit. /ˌmʌltᵻpl ˈtwɪn/, U.S. /ˌməltəp(ə)l ˈtwɪn/ Origin: Formed within English, by compounding. Etymons: multiple adj., twin n. Etymology: < multiple adj. + twin n. In sense 1 apparently earliest in multiple twin cable (see quot. 1922 at sense 1). With sense 2 compare earlier penetration twin n. at penetration n. Compounds. 1. Telephony. A cable with a number of cores each of which consists of four wires arranged as two twisted pairs twisted together. Usually attributive. ΘΚΠ society > communication > telecommunication > telegraphy or telephony > [noun] > line wire1813 line1847 wire line1848 loop1863 landline1865 saddle wire1876 telephone line1877 concentric cable1888 Pupin cable1904 multiple twin1922 quad1922 twisted pair1923 star quad1927 music line1929 coaxial cable1934 coax1945 1922 Encycl. Brit. XXXII. 709/1 In..the ‘multiple twin cable’ the centre of yarn is dispensed with, and the cable consists of a number of 4-wire cores. 1959 J. W. Freebody Telegr. vi. 173/2 With the multiple-twin type [of cable] the paper insulated conductors are first twisted into pairs and two such pairs are then twisted together to form the two pair core or quad. 2. Crystallography. A twinned crystal composed of alternating lamellae whose relative orientations are all governed by the same twin law. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > crystal types > [noun] > composite crystals > twin > types of penetration twin1868 juxtaposition twin1883 multiple twin1932 1888 N. Amer. Rev. July 53 They were perfect spheres, the result of a multiple twinning of the cubic form of the diamond.] 1932 Amer. Mineralogist 17 360 The diamond multiple twin..is from South Africa. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) V. 208/1 The width of the lamellae in multiple twins of plagioclases is usually about 1 mm and smaller. 1994 Philos. Mag. A. 69 1125 In the initial stage of the growth process of ZnO particles, it is assumed that octahedral multiple twins (octa-twins) are nucleated as embryos. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). < n.1922
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