| 释义 |
▪ I. upthrow, n.|ˈʌpθrəʊ|
Also 9 up-throe.
[up- 2. Cf. next.]
1. Geol. and Mining. An upward dislocation of a stratum or seam.
1807J. Headrick View Arran 66 A high rock, caused by what is called an up-throe of the metals. Ibid., This up-throe running westward, forms a sort of ridge. 1883[see upleaf n. 2]. 1888J. Prestwich Geol. II. 95 An elevation of the strata on one side, and..depression on the other, which are called by the miners the upthrow and the downthrow.
attrib.1839Ure Dict. Arts 965 Dikes and faults are denominated upthrow or downthrow, acording to the position they are met with in working the mine. 1872Proc. Amer. Philos. Soc. XII. 444 A fine upthrow fault..in East Tennessee. 1882Geikie Geol. Sk. 282 A true fault with an upthrow and downthrow side.
b. Amount of upward displacement.
1889Hardwicke's Sci. Gossip XXV. 228/1 A small fault, with five feet upthrow.
2. Geol. An upheaval of part of the earth's crust or surface; an uplift.
1833Lyell Princ. Geol. III. 338 The sudden upthrow of another system of parallel chains of mountains. 1863Dana Man. Geol. 727 By the upthrow, rocks of the Lower Silurian have been carried up to the level of those of the Subcarboniferous. 1884Geikie in Nature 13 Nov. 31 In the great upthrow, it is this sandstone platform which has been pushed over the limestones.
3. An outburst or manifestation.
1855M. Pattison in Oxford Ess. 274 The Wycliff movement,..that last upthrow of Latin philosophy.
4. The action of throwing up or casting upwards.
1898Daily News 23 Sept. 2/3 The up-throw with which a marksman jerks his rifle from his shoulder after a successful shot.
▪ II. upthrow, v.|ʌpˈθrəʊ|
[up- 4. Cf. throw v.1 48.]
1. trans. To throw or cast upwards; to toss or fling up.
c1614Sir W. Mure Dido & æneas ii. 276 Both heards of Hart and Hinde..with feet the dust vpthroe. 1748Thomson Cast. Indol. i. xxvii, The fountain..That in the middle of the court up-threw A stream. 1750Collins Superstit. Highlands 144 A Pigmy-folk..Whose bones the delver with his spade upthrows. 1819Byron Juan ii. xxix, Fifty tons of water were upthrown By them per hour. 1875Morris æneid x. 844 [He] both his hands upthrew Toward heaven.
†b. To cast up (the eyes). Obs.—1
1600Fairfax Tasso xvii. lxxv, Of Almerike the image..that vpthrew His eies, like one that vs'd to contemplate.
†2. = uptear v. Obs.—1
1627Drayton Moon-Calf 168 The Tempest so outragious grew, That it whole hedgerowes by the roots vp threw. |