| 释义 |
subduct, v.|səbˈdʌkt|
[f. L. subduct-, pa. ppl. stem of subdūcĕre to subduce.]
1. trans. To take away from its place or position, withdraw from use, consideration, influence, etc. Now rare.
a. with physical obj.
1652–62Heylin Cosmogr. iii. (1673) 61/1 The three Palestines..being subducted from the power of the see of Antioch. 1657J. Watts Scribe, Pharisee, etc. 205 One of the Elements is subducted from the people, and the other is adored by them. 1665–6Phil. Trans. I. 382 For one determinate space of time it exhibits its lucid part to the Earth, for another, subducts it. 1715M. Davies Athen. Brit. i. 141, I had but a bare sight of that Pamphlet, it being presently subducted from the Publick Perusal. a1792Horne Ess. & Th. Wks. 1818 I. 363 The Chinese physicians never prescribe bleeding..; saying, that, if the pot boil too fast, it is better to subduct the fuel, than lade out the water. 1837Barham Ingol. Leg. Ser. i. Spectre of Tappington, He replaced the single button [on his breeches] he had just subducted. 1844H. Rogers Ess. (1860) III. 119 All such as are inconsistent in their statements..are to be subducted from his catalogue.
b. with immaterial obj.
1614Jackson Creed iii. iii. vi. 151 Yet must all excesse in spirituall graces..be subducted from that prerogatiue which wee that are Christs messengers, haue in respect of Aarons successors. 1660Heylin Hist. Quinquart. To Rdr., Nor have I purposely concealed or subducted any thing considerable which may seem to make for the advantage of the opposite party. 1754Edwards Freed. Will. i. ii. (1762) 12 As having its Influence added to other Things, or subducted from them. 1840G. Darley Wks. Beaum. & Fl. Introd., Subducting the devilish feature, it were well perhaps, if all Englishmen..resembled this portrait. 1843Mill Logic iii. viii. 465 Subduct from any phenomenon such part as is known by previous inductions to be the effect of certain antecedents. 1851Herschel Study Nat. Phil. ii. vi. 156 When the effects of all known causes are estimated with exactness, and subducted.
c. refl.
1655Owen Vind. Evang. xxiii. 486 Sinne (which is the Creature's subducting its selfe from under the Dominion of God). 1668― Expos. 130th Ps. 76 From his providential presence he could never subduct himself.
2. a. To take away (a quantity) from, † out of another; to subtract, deduct. Now rare.
1571Digges Pantom. iv. v. V iij, Your greater semidiameter, whiche subducted from youre former diuisor leaueth the semidimetient of the intrinsicall circle. 1649Roberts Clavis Bibl. Introd. iii. 59 If out of the number of years..you subduct the years of the Oppressours of Israel under their Judges. 1674Moxon Tutor Astron. ii. (ed. 3) 70, 200 Years..which subducted out of 1000 leaves 800 Years. 1716B. Church Hist. Philip's War (1867) II. 85 William Fobes..was order'd to keep a just accompt of what each Indian had so that it might be subducted out of their wages at their return home. 1855Brewster Newton I. iii. 42 Subducting the diameter of the hole from the length and breadth of the image, there remains 13 inches in the length and 23/8 inches in the breadth. 1881Nature XXIII. 558 When we..subduct the vapour pressure from the barometric height.
absol.1646Recorde's Gr. Artes 110 Therefore seeing 9 in the quotient, multiply, and subduct as before. 1662Hibbert Body Div. ii. 86 They adde, they multiply; never subduct, never divide. 1706W. Jones Syn. Palmar. Matheseos 14 According to their respective Value, take one of the next Denomination, out of which Subduct.
†b. intr. To take something away from. Obs.
1667Milton P.L. viii. 536 Nature..from my side subducting, took perhaps More then enough. 1669W. Simpson Hydrol. Chym. ii. 124 The Spaw..helps the refining of the vessels..and so subducts from the Disease by hindring the affluent cause. 1798W. Mavor Brit. Tourists V. 193 Its neglected and languishing state still farther subducts from its picturesque effect.
3. To take away or remove surreptitiously or fraudulently. Also absol. Now rare.
1758Johnson Idler No. 95 ⁋11 Purchased with money subducted from the shop. 1760C. Johnston Chrysal (1822) I. 200 By subducting largely from the sums confided to him. 1824Landor Imag. Conv. Wks. 1853 I. 53/1 If he had..brought down a brace out of a covey, instead of subducting them from the platter.
4. To draw up, lift. Now rare.
1837Barham Ingol. Leg. Ser. i. Spectre of Tappington, Subducting his coat-tails one under each arm [etc.]. 1869‘Wat Bradwood’ The O.V.H. xxxi, Jemmy subducted his coat-tails, and sat him down.
5. trans. and intr. Geol. To move sideways and downwards underneath a neighbouring lithospheric plate.
1971Nature 29 Jan. 309/2 A Mesozoic foldbelt..makes up the periphery of West Antarctica, suggesting that seafloor was once subducted along this margin. 1974Ibid. 13 Sept. 102/3 Since the Lower Miocene eastern Sicily has been the border zone between colliding continental blocks and the oceanic lithosphere subducting beneath the Calabrian arc. 1975Sci. Amer. Nov. 98/2 It is puzzling..that the Pacific plate can move laterally for 6,000 kilometers before it subducts. 1977A. Hallam Planet Earth 100 (caption) The dense oceanic plate..is being subducted beneath the lighter continental plate.
Hence subˈducted, subˈducting ppl. adjs.
1975Sci. Amer. Nov. 93/1 If the subduction ceases altogether, the subducted segment of the lithosphere will lose its identity and become part of the surrounding mantle in roughly 60 million years. Ibid., At a velocity of one centimetre per year the subducting plate will be assimilated at a depth of about 400 kilometres. 1980J. G. Navarra Earth, Space, & Time i. 17/1 The subducted plate is believed to be more dense than the mantle into which it plunges because it is colder. 1980Economist 16 Aug. 64 Where two plates collide, one plate plunges beneath the other... The world's deep ocean trenches mark the graves of such ‘subducting’ plate edges. |