| 释义 |
▪ I. toggle, n.|ˈtɒg(ə)l|
Also 8–9 toggel.
[Said to be orig. in nautical use; of obscure etymology, but app. closely related to tuggle v., to catch, hold fast, entangle, and to tagle v., taigle v., and their nasalized form tangle. The use of a toggle was originally to catch or hold fast a rope or chain and prevent its slipping.]
1. Naut. A short pin passed through a loop or the eye of a rope, or a link of a chain, or through a bolt, to keep it in place, or for the attachment of another line.
1769–76Falconer Dict. Marine, Toggel, cabillot, a small wooden pin, about five or six inches in length, and usually tapering from the middle towards the extremities. It is used to fix transversely in the lower part of a tackle, in which it serves as an hook whereby to attach the tackle to a strop, slings, or any body whereon the effort of the tackle is to be employed. There are also toggels of another kind, employed to fasten the top-gallant sheets to the spar, which is knotted round the cap at the top-mast-head. 1775Ash, Toggel. [So 1828 in Webster.] 1829Marryat F. Mildmay viii, The yard⁓ropes were fixed to the halter by a toggle in the running noose of the latter. 1854Hooker Himal. Jrnls. I. ix. 218 Tethered by halters and toggles to a long rope. 1898F. T. Bullen Cruise Cachalot vi, The strap of the second cutting tackle was inserted and secured by passing a huge toggle of oak through its eye.
fig. phr.1835–40Haliburton Clockm. (1862) 348 There's an eend to that; you've put a toggle into that chain.
2. transf.
a. A cross-piece attached to the end of a line or chain (e.g. a watch-chain), or fixed in a belt or strap for attaching a weapon, etc. by a loop or ring; also, a cross-piece put through a loop to effect compression by twisting. Now freq. a short rod attached to one side of a garment to fasten it by being passed through a loop attached to the other side.
1873E. Spon Workshop Receipts Ser. i. 310/2 This straightens the toggles, and causes a sharp impression of the stamp upon the leather. 1875Bedford Sailor's Pocket Bk. x. (ed. 2) 380 A strop round the nose, hove short with a short stick or toggle, will rapidly tame an unmanageable horse. 1880Clark Russell Sailor's Sweetheart viii, Around his waist was a broad leather belt with toggles for the reception of a knife or a pistol. 1887Q. Rev. Jan. 97 The exquisite workmanship of the toggles and sword guards. 1903W. F. Petrie Abydos II. ii. 26/2, 141–3 appear to be toggles for fastening dress through a loop, like the frogs on a modern military cloak. 1905Miss A. S. Griffith tr. Capart's Prim. Art Egypt Index, Studs or toggles for cloaks, pp. 57, 59. 1916Chambers's Jrnl. Sept. 617/1 He undid the toggles of his thick lammy coat. 1968[see duffle coat s.v. duffel, duffle 3]. 1982B. W. Aldiss Helliconia Spring ix. 231 She was buttoning up her tunic, looking down at the toggles.
b. A device for fixing an anchor: see quot.
1831J. Holland Manuf. Metal I. vi. 100 In 1821, R. F. Hawkins, a Kentish mariner, obtained a patent for an anchor, the arm and flukes of which turned round in eyeholes at the termination of the shank, until they formed therewith an angle of about sixty degrees, in which position they were detained by a thick piece of iron, called by the inventor a ‘toggle’. When this anchor is let go, one of the ends of the toggle comes in contact with the ground, and puts both flukes in a position to enter; and when the strain comes on the cable, the other end of the toggle..sets the anchor in its holding position, not with one fluke only, as in the common anchor, but with both.
c. A movable pivoted cross-piece serving as a barb in a harpoon.
1881Sydney Morn. Herald 24 Oct., The harpoon was a patent one, with a toggle, and opens when there is any strain on the line.
d. Mech. A toggle-joint.
1908Installation News II. 22/2 This is done by connecting a bell and dry cell between the screw D and the toggle of the switch, so that when the piston rises and makes contact with the toggle the bell rings before sufficient pressure is exerted to throw off the switch.
e. dial. Each of the two short handles or ‘nibs’ of a scythe.
1885Reports Provinc. (E.D.D.), I can't mow the lawn, sir, till I've got a new snead and toggles to my scythe.
f. A kind of wall fastener for use on open-backed plasterboarding, etc., having a part that springs open or turns through 90 degrees after it is inserted, so as to prevent withdrawal and aid gripping.
1934in Webster. 1964Practical Householder Dec. 1369/1, I had an occasion to use Rawlplug 1/8 in. and 3/16 in. gravity toggles... If you decide to remove the toggle at a later date, when the burr on the screw comes up against the swivel nut, the whole device will turn. 1977Reader's Digest Bk. Do-It-Yourself Skills & Techniques v. 154 Gravity toggles have a swivel toggle that drops vertically when pushed through a hole bored in the wall... Spring toggles have two spring-loaded gripping arms which expand after the toggle is pushed through a hole.
g. Electronics. = latch n.1 3 b. Also toggle circuit.
1953Proc. IRE XLI. 1429/1 The toggles or other storage elements hold the accumulated count. 1955Sci. Amer. June 93/2 In the logical circuits of a modern computer the memory units commonly consist of pairs of vacuum tubes connected in a circuit which is called a ‘toggle’ because of its analogy with a toggle switch. 1962[see bistable a.]. 1971J. H. Smith Digital Logic iv. 54 The latch or toggle circuit is used to hold signals fed momentarily into a system.
h. Computers. A key or command that is always operated the same way but has the opposite effect on successive occasions.
1982Personal Computer World Dec. 138/1, I find that the ‘Install’ program is unable to make the best of configuring for my printer as Wordstar expects toggles where the Epson has separate control codes for turning on and off certain modes.
3. attrib. and Comb., as toggle action, toggle fastening, toggle line, toggle-noose, toggle pattern; toggle-like adj.; also toggle-bolt, (a) a bolt having a hole through the head to receive a toggle; (b) = sense 2 f; toggle-chain, a short chain fastened to a timber sledge, having a toggle-hook at the end by which the effective length of the binding chain is regulated; toggle circuit: see sense 2 g; toggle-harpoon, a harpoon with a pivoted toggle instead of barbs; toggle-hole, a hole made, as in blubber, for inserting a toggle (Cent. Dict.); toggle-hook, a long-shanked hook used on a toggle-chain (Cent. Dict. Suppl.); toggle-iron = toggle-harpoon; toggle-joint, a joint consisting of two pieces hinged endwise, operated by applying pressure at the elbow; toggle-lanyard: see quot.; toggle-pin = sense 1; toggle-press, a press operated by means of one or more toggle-joints; toggle switch, an electric switch operated by means of a projecting lever that is moved with a snap action, usu. up and down.
1893Jrnl. R. Agric. Soc. Dec. 716 The drawing together of the nave flanges..produces a *toggle action of the spokes.
1794Rigging & Seamanship I. 152 *Toggle-bolt. c1850Rudim. Navig. (Weale) 99 The Toggle-Bolt has a flat head and a mortise through it, that receives a toggle or pin. 1934Webster, Toggle bolt, a bolt having a nut with pivoted flanged wings that close against a spring when passed through a constricted passage and open after emerging. 1968Trade Marks Jrnl. 8 May 736/2 Rawlplug... Bolt anchoring devices, expansion bolts; toggle bolts, wall plugs and sockets.
1976Country Life 29 Apr. 1143/1 Suit with *toggle fastenings. 1976Woman's Weekly 6 Nov. 49/2 Plus a zingy crochet jacket in bold bright stripes with toggle fastenings.
1888Goode Amer. Fishes 249 What is known to whalers as a *toggle-harpoon is a modification of the lily-iron.
1884Knight Dict. Mech., Suppl., *Toggle iron. 1888Encycl. Brit. XXIV. 526/2 The hand harpoon is a light and efficient weapon..introduced by the Americans, to whom it is known as a ‘toggle-iron’.
1847Webster, *Toggle-joint, an elbow or knee-joint. 1869Routledge's Ev. Boy's Ann. 412 The cranked knee or toggle joint. 1879Cassell's Techn. Educ. IV. 12/2 A box of wooden soldiers, with a slightly jointed framework on which they can be stuck,..which elongates and contracts..is simply a combination of toggle-joints.
1874C. M. Scammon Marine Mammals App. 312 It [the toggle] has a hole near one end, through which a rope is attached, which is termed the *toggle-lanyard. This lanyard is used in handling or confining the toggle.
1904Brit. & Col. Printer 10 Mar. 14/2 Links pivoted to the lever are slotted to engage pins carried by the extension of the hand lever, which thus exerts a *toggle-like action on the lever.
1880Harper's Mag. LX. 851 The engines, by means of the *toggle line, steadily haul the seine to the shore.
1883Century Mag. Sept. 675/2 Attaching a *toggle noose where the trace joins the harness.
1885C. G. W. Lock Workshop Receipts Ser. iv. 210/1 The press employed may be either of the ‘hydraulic’ or of the ‘*toggle’ pattern.
1877Knight Dict. Mech., *Toggle-press, one in which the platen is moved by the flexion or extension of two bars which unite to form a knee-joint.
1938Rev. Sci. Instruments IX. 86/1 A *toggle switch allows application of the input pulses either..to the scaling circuit or to a thyratron pulse sharpener. 1962Times 8 May 16/5 A steering column lever would be handier than the headlight toggle switch. 1976Gramophone Apr. 1687/3 Neat toggle switches are provided for loudness, tape monitor, low and high filters and tone cancel.
▪ II. toggle, v.1|ˈtɒg(ə)l|
[f. prec. n.]
1. trans. To secure or make fast by means of a toggle or toggles. Also fig.
1836Knickerbocker VIII. 207 What,..has the devil toggled you at last, Jacky? 1853Kane Grinnell Exp. xi. (1856) 83 Each man..has a canvas strap..fastened to the tow-line; or, nautically,..toggled to the warp. 1899W. Churchill R. Carvel xiii, I..beheld him..toggle it [a flag] to the ensign halyard. 1899Outing (U.S.) XXX. 229/1 In the Mab and other canoes employing this device, the stick is toggled at one end to the rudder yoke, and at the other to the collar of the deck tiller.
2. To furnish with a toggle or toggles.
1875Bedford Sailor's Pocket Bk. vi. (ed. 2) 216 Toggle the bight with a stretcher. 1905Sat. Rev. 14 Oct. 499/1 A Union Jack made of bunting..roped and toggled.
▸ Electronics and Computing. a. intr. Of a bistable circuit or a bit stored in a computer memory: to change from one state to the other.
1966N. Cooke Electronics & Nucleonics Dict. 676/1 Toggle, to switch over to an alternate state, as in a flip-flop. 1971Electronic Design 18 Feb. 76/2 The read pulse would be applied approximately..3 ns after the flip-flops had toggled and settled. 1984Computerworld 23 July 35 Who really cares about when the memory bits actually toggle, so long as the desired result is achieved? 2001Poptronics (Nexis) Aug. 31 When U2's output goes low, flip-flop FF toggles and turns on transistor Q.
b. trans. To cause (a bistable circuit, bit, etc.) to change state.
1971Electronic Design 18 Feb. 74/2 The only time a particular flip-flop can be toggled is when all those of lesser significance are in the one state. 1974Electronic Engin. Dec. 23/3 When the switch is opened, the positive-going edge toggles the flip-flop with Q going back to 1 and D slowly changing to 0 after the contact bounce has stopped. 1981Oil & Gas Jrnl. 5 Oct. 196/3 The least significant bit in the formatter being toggled by noise is the last digit in the 4,000 number going from 0 to 2. 1993PC Mag. (Nexis) 26 Oct. 341 You'd find that all the BIOS does when you press the NumLock key is toggle this bit from 0 to 1 or 1 to 0. 2003Embedded Syst. Programming (Nexis) 1 Mar. 37 To toggle a single bit in a status register, for example, you have to read the entire register (32 bits) into the processor, mask off the low-order and high-order bits you don't want, right-shift the result [etc.].
▸ trans. To operate (a toggle switch).
1974R. M. Pirsig Zen & Art of Motorcycle Maintenance ii. xii. 141 He had the illusion the trouble was in the wire near the bulb because immediately upon toggling the switch the light went out. 1986T. Clancy Red Storm Rising (1988) xvii. 206 His right thumb toggled the launch-enable switch, and his forefinger squeezed the trigger twice. 1988Sailplane & Gliding Oct.–Nov. 222/1 You should just have to punch in the number on a little key pad, instead of toggling switches up and down..until you have got to the desired figure. 1995Ledger (Florida) (Nexis) 18 Mar. 1 b, One of them operates his computer by toggling a switch with his elbow, the only controllable muscle group in his body.
▸ orig. Electronics and Computing. a. intr. To switch from one state, option, or function to another, esp. through the operation of a switch, button, etc. Freq. with between. Also fig.
1981Electronics 22 Sept. 114/2 Some functions and parameters have only two states—on or off—and the button then toggles between the two. 1984PC Week 3 July 6/5 An optional software package called Context Switch enables the computer to toggle back and forth between local application and a network application. 1989High Fidelity July 31/1 You can manually toggle back to the tuner without removing the CD. 1994New Yorker 5 Sept. 70/3 The Citadel men's approach to women seems to toggle between extremes of gentility and fury. 2000Cats Dec. 23/1 When our cats were neglected, their brains toggled into kitty destruct mode.
b. trans. To switch (a device, setting, etc.) from one state, option, or function to another using a switch, button, etc. Freq. with between, off, on.
1982Byte Jan. 240/3 All that is needed for RS-232 communications is a device-control or status port that can be toggled between 0 and 1. 1986Electronic Musician May 75/3 One clever convenience feature, the I or Intro key, toggles the metronome and countdown on and off together. 1990Video Maker May 33/2 The shutter speeds are toggled by subsequent presses of the button, and displayed in the electronic viewfinder. 1998L. A. Graf & M. J. Friedman War Dragons xii. 169 Uhura picked up the communications..and toggled its display on.
▪ III. † ˈtoggle, v.2 Obs. rare—1.
[freq. of tog, tug v.: see -le 3.]
intr. To tug, tussle.
a1225Ancr. R. 424 Heo ne schulen cussen nenne mon,..ne toggen [v.r. toggle] mid him, ne pleien. |