tail-racen.

Brit.

/ˈteɪlreɪs/, U.S.

/ˈteɪlˌreɪs/

Etymology: Compare race n.¹ 5b.

a. The part of a mill-race below the wheel, the tail-water; = tail n.¹ 4f.

ΘΚΠ

the world > the earth > water > rivers and streams > stream > [noun] > mill-tail

tail1533

mill-tail1569

tail-water1760

tail-race1776

flusha1825

millwash1861

tail-dam1903

1776 C. Carroll Jrnl. Miss. Canada in B. Mayer Mem. (1845) 54 The water ran through this passage about as swift as it does through your tail race.

1820 Aberdeen Jrnl. 2 Aug. (Jam.) at Hack To put proper hecks on the tail~races of their canals.

1873 Act 36 & 37 Victoria c. 71 §17 No person shall catch..any salmon..in the head race or tail race of any mill.

b. Mining. (See quot. 1881.)

ΘΚΠ

society > occupation and work > equipment > equipment for treating ores > [noun] > for refuse

tye1531

tail-race1863

the world > the earth > water > rivers and streams > stream > [noun] > channel for conveyance of water > carrying residue from mine

tail-race1863

1863 V. Pyke in App. Jrnls. House of Representatives N.Z. (3rd Sess. 3rd Parl.) D.–6. 14 Where the water is heavy, and there are no means of cutting a tail~race, water-wheels have been erected, with Californian pumps attached.

1874 A. Bathgate Colonial Experiences viii. 93 This process is carried on for months, the tail-race being prolonged into the space from which the ground has been washed away, until a larger hole or ‘paddock’ is taken out, with precipitous sides, varying in height from a couple of feet to two hundred or more.

1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 184 Tail-race, the channel in which tailings, suspended in water, are conducted away.

1890 Argus (Melbourne) 16 June 6/2 A value of gold equal to the amount now saved was run into the tail-race and lost.

c. The watercourse leading from the turbine of a power-station or dam, etc.

ΘΚΠ

the world > the earth > water > rivers and streams > stream > [noun] > channel for conveyance of water > for surplus water > from a dam or power-station

tail-race1953

1953 Times 4 Aug. 3/4 An electric screen has been devised which is successful in preventing salmon and sea trout from swimming into the tailrace (the outflow from a water turbine) of a power station.

1974 Progress (Easley, S. Carolina) 24 Apr. ii. 10/2 Rainbows are the most common species stocked into tailrace waters.

1978 Texas Parks & Wildlife July 13/3 We've dealt mainly with tailraces below large flood-control and power~generating dams.

This entry has not yet been fully updated (first published 1910; most recently modified version published online March 2022).

单词	tail-race
释义	tail-racen. Brit. /ˈteɪlreɪs/, U.S. /ˈteɪlˌreɪs/ Etymology: Compare race n.¹ 5b. a. The part of a mill-race below the wheel, the tail-water; = tail n.¹ 4f. ΘΚΠ the world > the earth > water > rivers and streams > stream > [noun] > mill-tail tail1533 mill-tail1569 tail-water1760 tail-race1776 flusha1825 millwash1861 tail-dam1903 1776 C. Carroll Jrnl. Miss. Canada in B. Mayer Mem. (1845) 54 The water ran through this passage about as swift as it does through your tail race. 1820 Aberdeen Jrnl. 2 Aug. (Jam.) at Hack To put proper hecks on the tail~races of their canals. 1873 Act 36 & 37 Victoria c. 71 §17 No person shall catch..any salmon..in the head race or tail race of any mill. b. Mining. (See quot. 1881.) ΘΚΠ society > occupation and work > equipment > equipment for treating ores > [noun] > for refuse tye1531 tail-race1863 the world > the earth > water > rivers and streams > stream > [noun] > channel for conveyance of water > carrying residue from mine tail-race1863 1863 V. Pyke in App. Jrnls. House of Representatives N.Z. (3rd Sess. 3rd Parl.) D.–6. 14 Where the water is heavy, and there are no means of cutting a tail~race, water-wheels have been erected, with Californian pumps attached. 1874 A. Bathgate Colonial Experiences viii. 93 This process is carried on for months, the tail-race being prolonged into the space from which the ground has been washed away, until a larger hole or ‘paddock’ is taken out, with precipitous sides, varying in height from a couple of feet to two hundred or more. 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 184 Tail-race, the channel in which tailings, suspended in water, are conducted away. 1890 Argus (Melbourne) 16 June 6/2 A value of gold equal to the amount now saved was run into the tail-race and lost. c. The watercourse leading from the turbine of a power-station or dam, etc. ΘΚΠ the world > the earth > water > rivers and streams > stream > [noun] > channel for conveyance of water > for surplus water > from a dam or power-station tail-race1953 1953 Times 4 Aug. 3/4 An electric screen has been devised which is successful in preventing salmon and sea trout from swimming into the tailrace (the outflow from a water turbine) of a power station. 1974 Progress (Easley, S. Carolina) 24 Apr. ii. 10/2 Rainbows are the most common species stocked into tailrace waters. 1978 Texas Parks & Wildlife July 13/3 We've dealt mainly with tailraces below large flood-control and power~generating dams. This entry has not yet been fully updated (first published 1910; most recently modified version published online March 2022). < n.1776
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