| 释义 |
▪ I. triplex, a. (n.)|ˈtraɪ-, ˈtrɪplɛks|
[a. L. triplex, -plic- threefold, f. tri- three + plic- to fold.]
1. a. Triple, threefold. Also absol. as n.
1601Shakes. Twel. N. v. i. 41 The triplex..is a good tripping measure, or the belles of S. Bennet,..may put you in minde, one, two, three. [1654D. Cawdrey (title) Diatribe Triplex: or A threefold Exercitation Concerning 1. Superstition. 2. Will-worship. 3. Christmas Festivall.] 1655Hammond (title) An account of Mr. Cawdry's Triplex Diatribe. 1656S. Holland Zara (1719) 71 So that now there is like to be a trouble in Triplex. 1911W. Temple Nat. Personality viii. 112 We are not so compelled to speak of three centres of consciousness in the Deity; rather we should speak of a triplex consciousness.
b. triplex board, a type of cardboard consisting of three layers felted together by pressure without the use of adhesive.
1921H. A. Maddox Dict. Stationery 78 Triplex board, a cheap class of pasteboard or ticket board which derives its name from the fact that it comprises three layers. 1962F. T. Day Introd. to Paper iv. 46 In the case of Triplex boards one grade of pulp is used for the middle while the two outside sheets are made of a thinner substance to make up the finished board.
2. Genetics. Of a polyploid individual: having the dominant allele of any particular gene represented three times.
1921, etc. [see nulliplex a.]. 1929Jrnl. Genetics XXI. 138 If we assume 14/16 to be triplex for Y the unexpected ivory plant could then have arisen by (1) non⁓disjunction.., or (2) irregularity of disjunction in the equational division.
3. (Usu. with capital initial.) The proprietary name of a type of toughened or laminated glass, orig. spec. consisting of two layers of glass and a layer of celluloid between them.
1923Trade Marks Jrnl. 28 Nov. 2495 Triplex. Use claimed from 2nd August 1912... Safety Glass in sheets. The Triplex Safety Glass Co. Ltd. 1927M. Arlen Young Men in Love ii. 128 ‘I live in such a glass house, Peter!’ ‘Well, so does everyone else.’ ‘Oh, no, other people's are made of Triplex!’ 1930Times Educ. Suppl. 27 Dec. (Home & Classroom Suppl.) p. i/3 The car was fully equipped with three speeds,..Triplex glass screen, windscreen wiper,..side curtains, and hood bag. 1935L. MacNeice Poems 40 Chromium dogs on the bonnet, faces behind the triplex screens. 1970P. Dickinson Seals i. 26 Even through that grimy and half-opaque triplex, the harbour had seemed awkwardly placed.
4. a. An apartment or other residence on three floors. Chiefly U.S.
1932E. Ferber in Hearst's Internat. Mar. 18/1 Photographs in the magazines showed her glamorous apartment—triplex, with balcony overhanging the East River. 1978New York 3 Apr. 91 (Advt.), 40′ converted mansion, elevator, magnificent owner's triplex plus high income apartments. 1981Times 3 Aug. 10/5 A 21-room ‘triplex’ (ie, on three floors) going for ‘only’ $9 million.
b. A building containing three self-contained residences or suites of rooms; also, one of the dwellings in such a building. Cf. duplex n. 1. Chiefly N. Amer.
1962Maclean's Mag. (Toronto) 10 Mar. 37/1 They wanted to build three triplexes. ‘Definitely not,’ Reeve Fred Hall told Norman. 1971A. Blaisdell Practice to Deceive i. 2 She lived in one unit of a triplex. 1971Rand Daily Mail (Home Owner) 27 Mar. 7/2 City dwellers are gravitating towards high density living (flat complexes..duplex and triplex..and so on). 1976Billings (Montana) Gaz. 30 June 7-d/1 (Advt.), Accelerated depreciation is still available on this new brick tri-plex. This unit features a fantastic view. 1979Arizona Daily Star 5 Aug. b 1/6 She observes construction workers working on a triplex where her display company's warehouses once stood.
Hence triˈplexity = triplicity.
1895in Funk's Stand. Dict.
▪ II. triplex, v.|ˈtrɪplɛks|
[f. triplex a. (n.)]
trans. To provide in triplicate, usu. as a means of ensuring reliability. So ˈtriplexed ppl. a.
1971Daily Tel. 31 Dec. 1/8 The advanced landing equipment fitted in the Trident 3s is ‘triplexed’. This means that the same component in each of three different systems must fail before the landing system becomes inoperative. 1974Ibid. 4 Dec. 6/5 The equipment carried in the plane [must] be ‘triplexed’ (given three separate circuits with devices to cut out technical failures without affecting performance). 1974Hitachi Rev. XXIV. 24/1 The authors conducted experiments on an aluminium conductor triplexed type cross-linked polyethylene (XLPE) power cable. 1982Computerworld 24 May 30/4 The electrical supply comes from two separate substations. We have an uninterruptable power supply that is triplexed. |