root-falln.

Brit.

/ˈruːtfɔːl/, U.S.

/ˈrutˌfɔl/,

/ˈrʊtˌfɔl/,

/ˈrutˌfɑl/,

/ˈrʊtˌfɑl/

Forms: see root n.¹ and fall n.²

Origin: Formed within English, by compounding. Etymons: root n.¹, fall n.²

Etymology: < root n.¹ + fall n.² In sense 2 after root-fall v.

†1. A tree which has fallen as a result of the roots giving way. Cf. windfall n. 1a. Obsolete.

ΘΚΠ

the world > plants > by growth or development > defined by habit > tree or woody plant > characterized by quality or health > [noun] > fallen or uprooted

rower1442

windfall1464

root-fall1584

down timber1837

deadfall1883

uproot1891

timber-fall1897

1584 in Jrnls. House of Commons 44 578/2 Wyndfall Wood, Rootefall Trees, and Inbowes.

a1634 E. Coke 1st Pt. Inst. Lawes Eng. (1648) iv. lxxiii. 300 That no trees other then..meerly windefals and rootfals may be thrown down or taken away.

1664 J. Evelyn Sylva xxxii. 109 That no unnecessary Imbezelment be made by pretences of Repair of Paling, Lodges, Browse for Deer, &c., Wind-falls, Root-falls.

2. Agriculture. A condition affecting grain crops (esp. wheat) in which the plant falls over owing to the soil around the roots loosening and providing insufficient support. Now rare.

ΘΚΠ

the world > plants > by growth or development > defined by poor growth > [noun] > collapsing, damping off, or being root-fallen

root-fall1811

damping off1899

1811 W. Gooch Gen. View Agric. County Cambr. vii. 125 Mr. Darnton, of Babraham, did not hoe his drilled wheat; his reason is it would have let in the drought, and have made [printed mode] it subject to root-fall.

1856 Farmer's Mag. Oct. 285/2 A farmer had found his wheat constantly subject to the root-fall when sown upon clover-ley once ploughed.

1886 Times 18 Aug. 10/6 The Hessian Fly confines its injury to the joints of the straw, causing a disorder analogous to that of root-fall and ‘gout’ in the stems.

1925 A. W. Oldershaw in W. G. R. Paterson Farm Crops I. 72 Such a seed-bed tends to prevent ‘root-fall’ and the lodging of the crops, which is so likely to take place after bare fallow.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).

† root-fallv.

Origin: Formed within English, by compounding. Etymons: root n.¹, fall v.

Etymology: < root n.¹ + fall v., after root-fallen adj. Compare later root-fall n. 2.

Agriculture. Obsolete. rare.

intransitive. To become root-fallen. Cf. root-fall n. 2.

ΘΚΠ

the world > plants > by growth or development > defined by poor growth > wither [verb (intransitive)] > root-fall or damp off

to fog off1802

root-fall1804

to damp off1846

1804 A. Young Gen. View Agric. Herts. vii. 81 Mr. Young, of Hurral, in loose land subject in any degree to cause wheat to root-fall, takes care to plough the ley some time before sowing.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online September 2018).

单词	root-fall
释义	root-falln. Brit. /ˈruːtfɔːl/, U.S. /ˈrutˌfɔl/, /ˈrʊtˌfɔl/, /ˈrutˌfɑl/, /ˈrʊtˌfɑl/ Forms: see root n.¹ and fall n.² Origin: Formed within English, by compounding. Etymons: root n.¹, fall n.² Etymology: < root n.¹ + fall n.² In sense 2 after root-fall v. †1. A tree which has fallen as a result of the roots giving way. Cf. windfall n. 1a. Obsolete. ΘΚΠ the world > plants > by growth or development > defined by habit > tree or woody plant > characterized by quality or health > [noun] > fallen or uprooted rower1442 windfall1464 root-fall1584 down timber1837 deadfall1883 uproot1891 timber-fall1897 1584 in Jrnls. House of Commons 44 578/2 Wyndfall Wood, Rootefall Trees, and Inbowes. a1634 E. Coke 1st Pt. Inst. Lawes Eng. (1648) iv. lxxiii. 300 That no trees other then..meerly windefals and rootfals may be thrown down or taken away. 1664 J. Evelyn Sylva xxxii. 109 That no unnecessary Imbezelment be made by pretences of Repair of Paling, Lodges, Browse for Deer, &c., Wind-falls, Root-falls. 2. Agriculture. A condition affecting grain crops (esp. wheat) in which the plant falls over owing to the soil around the roots loosening and providing insufficient support. Now rare. ΘΚΠ the world > plants > by growth or development > defined by poor growth > [noun] > collapsing, damping off, or being root-fallen root-fall1811 damping off1899 1811 W. Gooch Gen. View Agric. County Cambr. vii. 125 Mr. Darnton, of Babraham, did not hoe his drilled wheat; his reason is it would have let in the drought, and have made [printed mode] it subject to root-fall. 1856 Farmer's Mag. Oct. 285/2 A farmer had found his wheat constantly subject to the root-fall when sown upon clover-ley once ploughed. 1886 Times 18 Aug. 10/6 The Hessian Fly confines its injury to the joints of the straw, causing a disorder analogous to that of root-fall and ‘gout’ in the stems. 1925 A. W. Oldershaw in W. G. R. Paterson Farm Crops I. 72 Such a seed-bed tends to prevent ‘root-fall’ and the lodging of the crops, which is so likely to take place after bare fallow. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). † root-fallv. Origin: Formed within English, by compounding. Etymons: root n.¹, fall v. Etymology: < root n.¹ + fall v., after root-fallen adj. Compare later root-fall n. 2. Agriculture. Obsolete. rare. intransitive. To become root-fallen. Cf. root-fall n. 2. ΘΚΠ the world > plants > by growth or development > defined by poor growth > wither [verb (intransitive)] > root-fall or damp off to fog off1802 root-fall1804 to damp off1846 1804 A. Young Gen. View Agric. Herts. vii. 81 Mr. Young, of Hurral, in loose land subject in any degree to cause wheat to root-fall, takes care to plough the ley some time before sowing. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online September 2018). < n.1584v.1804
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