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单词 outstroke
释义

outstroken.

Brit. /ˈaʊtˌstrəʊk/, U.S. /ˈaʊtˌstroʊk/
Forms: see out- prefix and stroke n.1
Origin: Formed within English, by derivation. Etymons: out- prefix, stroke n.1
Etymology: < out- prefix + stroke n.1, after to strike out (see strike v.).
1. A stroke directed outwards; spec. the stroke of an engine which carries the piston towards the crankshaft and further out of the cylinder.
ΘΚΠ
the world > movement > impact > striking > [noun] > stroke in or from specific direction
racec1400
by-blow1594
backblow1642
outstroke1688
up-stroke1828
understroke1837
in-stroke1887
1688 R. Holme Acad. Armory iii. iii. 149/1 Scatch, scotcht,..the out stroakes of a Figure or Draught.
1763 J. Woodeforde Diary 10 Jan. in Woodforde at Oxf. (1969) 104 I went a skating upon the river... I begun to learn the out stroke.
1874 E. H. Knight Amer. Mech. Dict. I. 627/1 On the completion of the stroke, the steam is allowed to pass freely from one side of the piston to the other, producing an equilibrium of effect during the out-stroke.
1949 A. C. Walshaw Heat Engines (ed. 3) xi. 231 The piston is at inner dead-centre ready to commence the outstroke.
1957 Man 57 147/2 On the in-stroke the bars were held together to close the mouth of the bag, and on the out-stroke they were held apart.
1976 Proc. Royal Soc. A. 349 393 Measurements of pressure distribution and film thickness were made for both outstrokes and instrokes.
2. Mining. The act of breaking through a wall separating one mine from another; a connection between two mines resulting from such an act. Also: the privilege of removing coal from an adjacent mine through an outsroke. Now historical.
ΘΚΠ
society > occupation and work > industry > mining > [noun] > other specific mining processes > in coal-mining
outstroke1747
holing1841
coal-cutting1842
patio1845
sumping1849
bottoming1856
salting1856
patio process1862
spragging1865
yardage1877
booming1880
brushing1883
filling1883
sounding1883
yard-work1883
blanketing1884
goafing1888
freezing process1889
power loading1901
bashing1905
rock dusting1915
mucking1918
solid stowing1929
stone-dusting1930
roof bolting1949
rock bolting1955
1747 in N. Country Life in Eighteenth Cent. (1952) iii. 76 We have examined every particular board and headway adjoining the whole mine and not drown'd, but find no outstroke nor communication.
1857–8 Act 21 & 22 Vict. c. 44 §20 By way of out-stroke or other underground communication.
1883 W. Stukeley Gloss. Coal Mining 179 Out-stroke, the privilege of breaking a barrier, and working and conveying underground the coal from an adjoining property.
1894 R. O. Heslop Northumberland Words (at cited word) Instroke is the passing out of a working royalty into another royalty. Outstroke is the act as regarded by the lessor of the entered royalty.

Compounds

outstroke rent n. Mining (now historical) a payment made to the owner of a mine that is broken into and worked through an outstroke.
ΘΚΠ
society > trade and finance > fees and taxes > payment for privilege > [noun] > of taking minerals > from another royalty
outstroke rent1849
shaft-rent1849
1849 G. C. Greenwell Gloss. Terms Coal Trade Northumberland & Durham 42 Outstroke rent, for the privilege of breaking the barrier, and working and conveying underground the coal from an adjoining royalty.
1889 Jrnl. Royal Statist. Soc. 52 67 The lessee has to pay a tonnage to the owner of the first royalty..for bringing the mineral through the barrier between the mines, called instroke, or from the other point of view, outstroke rent.
1950 A. H. John Industr. Devel. S. Wales vi. 186 In leases up to the middle of the century, only occasionally are outstroke rents—charges for transporting coal underground between collieries which are separately owned—found.
This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022).
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n.1688
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