† leachingn.¹

Etymology: < leach v.¹ + -ing suffix¹.

Obsolete.

The action of leach v.¹ (in quot. concrete: a slice). Also attributive, as leaching-knife.

ΚΠ

1416–17 in J. T. Fowler Extracts Acct. Rolls Abbey of Durham (1901) III. 613 2 ladell de auricalco et 1 lechyngknyfe.

c1430 Two Cookery-bks. 15 Kytte hem [sc. cakys] y lyke lechyngys.

1446 in J. Raine Wills & Inventories N. Counties Eng. (1835) I. 101 iij lesyng knyues.

1487 Will of Dame Elizabeth Brown, formerly Ponyngis (P.R.O.: PROB. 11/8) f. 95 iij dressing knyfys ij lechyng knyfys ij choppyng knyfys.

This entry has not yet been fully updated (first published 1902; most recently modified version published online June 2021).

leachingn.²

/ˈliːtʃɪŋ/

Etymology: < leach v.² + -ing suffix¹.

The action of leach v.² Also leaching out.

ΘΚΠ

the world > matter > liquid > water > [noun] > watering

leachinga900

aquation1623

the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > [noun]

leachinga900

filtering1576

excolation1578

filtration1602

percolation1613

transcolation1634

filtrating1662

membrane filtration1931

polishing1938

the world > matter > liquid > liquid flow > percolation > [noun]

sipec888

siping1503

percolation1613

oozing1739

infiltration1794

percolating1861

leaching1906

a900 in T. Wright & R. P. Wülcker Anglo-Saxon & Old Eng. Vocab. (1884) I. 56/16 Et inrigatio, and leccinc.

1877 R. W. Raymond Statistics Mines & Mining 323 The percentage of copper..renders the ore unfit for amalgamation without previous leaching.

1906 E. W. Hilgard Soils ii. 24 A heavy depletion of the land by the leaching-out of this important plant food.

1938 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity (ed. 2) xxv. 265 In some minerals the ratio of lead to uranium has been altered by leaching-out processes in the course of the long periods of time involved.

1943 C. E. Millar & L. M. Turk Fund. Soil Sci. xv. 377 The leaching out of the alkali tends to leave the soil in an even worse physical condition.

1966 G. H. Dury Ess. Geomorphol. 56 It is the simple process of leaching out of contained salt, by groundwater, which rapidly reduces the shearing strength of the deposits.

attributive.1850 H. Cutts Address Windsor Co. Agric. Soc. (U.S.) 12 In China..every thing is subjected to the leaching process, and in the form of liquid decoctions only, applied to the land.1877 R. W. Raymond Statistics Mines & Mining 399 The bath may be brought in contact with the ore..by percolation in leaching-tanks.1884 Harper's Mag. Apr. 761/1 This subsoil water, after acting as a leeching agent of a surface, filled..with..refuse, is scarcely less foul than sewage.

This entry has not yet been fully updated (first published 1902; most recently modified version published online September 2018).

单词	leaching
释义	† leachingn.¹ Etymology: < leach v.¹ + -ing suffix¹. Obsolete. The action of leach v.¹ (in quot. concrete: a slice). Also attributive, as leaching-knife. ΚΠ 1416–17 in J. T. Fowler Extracts Acct. Rolls Abbey of Durham (1901) III. 613 2 ladell de auricalco et 1 lechyngknyfe. c1430 Two Cookery-bks. 15 Kytte hem [sc. cakys] y lyke lechyngys. 1446 in J. Raine Wills & Inventories N. Counties Eng. (1835) I. 101 iij lesyng knyues. 1487 Will of Dame Elizabeth Brown, formerly Ponyngis (P.R.O.: PROB. 11/8) f. 95 iij dressing knyfys ij lechyng knyfys ij choppyng knyfys. This entry has not yet been fully updated (first published 1902; most recently modified version published online June 2021). leachingn.² /ˈliːtʃɪŋ/ Etymology: < leach v.² + -ing suffix¹. The action of leach v.² Also leaching out. ΘΚΠ the world > matter > liquid > water > [noun] > watering leachinga900 aquation1623 the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > filtering or percolating > [noun] leachinga900 filtering1576 excolation1578 filtration1602 percolation1613 transcolation1634 filtrating1662 membrane filtration1931 polishing1938 the world > matter > liquid > liquid flow > percolation > [noun] sipec888 siping1503 percolation1613 oozing1739 infiltration1794 percolating1861 leaching1906 a900 in T. Wright & R. P. Wülcker Anglo-Saxon & Old Eng. Vocab. (1884) I. 56/16 Et inrigatio, and leccinc. 1877 R. W. Raymond Statistics Mines & Mining 323 The percentage of copper..renders the ore unfit for amalgamation without previous leaching. 1906 E. W. Hilgard Soils ii. 24 A heavy depletion of the land by the leaching-out of this important plant food. 1938 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity (ed. 2) xxv. 265 In some minerals the ratio of lead to uranium has been altered by leaching-out processes in the course of the long periods of time involved. 1943 C. E. Millar & L. M. Turk Fund. Soil Sci. xv. 377 The leaching out of the alkali tends to leave the soil in an even worse physical condition. 1966 G. H. Dury Ess. Geomorphol. 56 It is the simple process of leaching out of contained salt, by groundwater, which rapidly reduces the shearing strength of the deposits. attributive.1850 H. Cutts Address Windsor Co. Agric. Soc. (U.S.) 12 In China..every thing is subjected to the leaching process, and in the form of liquid decoctions only, applied to the land.1877 R. W. Raymond Statistics Mines & Mining 399 The bath may be brought in contact with the ore..by percolation in leaching-tanks.1884 Harper's Mag. Apr. 761/1 This subsoil water, after acting as a leeching agent of a surface, filled..with..refuse, is scarcely less foul than sewage. This entry has not yet been fully updated (first published 1902; most recently modified version published online September 2018). < n.¹1416n.²a900
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† leachingn.1

leachingn.2

† leachingn.¹

leachingn.²