wash-outn.

Brit.

/ˈwɒʃaʊt/, U.S.

/ˈwɔʃˌaʊt/,

/ˈwɑʃˌaʊt/

Etymology: < verbal phrase to wash out: see wash v. 13.

a. An act of washing out a cistern, etc.; a pipe or other appliance for doing this. Also attributive.

ΘΚΠ

the world > physical sensation > cleanness and dirtiness > cleaning > washing > [noun] > an act of washing

wash1663

souse1741

rinse1837

wash-out1877

slush1902

sloosh1919

society > occupation and work > equipment > conveyor > [noun] > conduit, channel, or tube > pipe > for water > types of

suspiral1420

quillc1433

boss?1521

susper1532

fountain-pipe1664

pump log1816

wash-out1903

tie-line1949

dead leg1953

1877 S. S. Hellyer Plumber ix. 86 This ‘water-battery’ water-closet is similar in principle and shape to the ‘wash-out’ closet-basin.

1884 Internat. Health Exhib. Official Catal. 94/1 Shanks' Patent ‘Tubal’ Washout Closets with Patent ‘Reliable’ Syphon Cisterns.

1901 Feilden's Mag. 4 430/1 There was a 6-in. washout pipe which was connected to the 12 in. main.

1903 Architect 24 Apr. (Suppl.) 23/2 Valves are provided en route to divide the delivery main into sections and control the supply. Wash-outs and air-valves are provided, also hydrants in the villages for fire protection.

b. Biology and Medicine. The removal of material, esp. from a physiological system, by means of a fluid; the fluid used for, or matter removed by, this.

ΘΚΠ

the world > health and disease > healing > medical treatment > treatments removing or dispersing matter > [noun] > wash-out

wash-out1955

the world > health and disease > healing > medicines or physic > medicines for specific purpose > cleansing or expelling medicines > [noun]

mundificativea1400

mundifierc1475

mundification1580

mundicative1632

evacuative1656

relaxer1671

expeller1683

evacuatory1707

evacuator1718

rhyptic1721

abluent1726

evacuant1727

expellent1823

mundificant1842

eliminant1852

depletant1880

wash-out1955

the world > health and disease > healing > medical treatment > treatments removing or dispersing matter > [noun] > wash-out > matter removed by

wash-out1977

1955 in Shorter Oxf. Eng. Dict. (ed. 3) Add.

1966 Jrnl. Lab. & Clinical Med. 66 856 The rapidity of indicator washout..should yield information regarding fluid flow patterns within the cardiovascular system.

1971 Nature 23 July 266/2 With a closed system technique in which a nitrogen-free atmosphere was made with helium-oxygen washout, a substantial increase in the concentration of nitrogen was measured.

1977 Lancet 8 Oct. 745/1 In a check of the wash-out from swabs and surgical drapes with measured volumes of blood the maximum error recorded was +2.8% by volume.

1980 Nature 17 Jan. 265/1 Spontaneous synaptic activity was detected in most myotubes within 1–2 min of curare washout.

c. Meteorology. The removal of particles from the air by falling water droplets. Cf. rainout n. 2.

ΘΚΠ

the world > the earth > weather and the atmosphere > weather > precipitation or atmospheric moisture > rain > [noun] > removal of particles from air by rain

rainout1954

wash-out1955

1955 A. C. Chamberlain Aspects of Trav. & Deposition of Aerosol & Vapour Clouds (A.E.R.E. Doc. HP/R 1261) 2 Consideration is given to the four mechanisms by which aerosol particles and vapours are removed from the atmosphere, namely: (a) Sedimentation, (b) Impaction, (c) Diffusion.., (d) Wash out by rain.

1974 Population Dose Evaluation 492 In addition to dry deposition, there is washout by rain falling through a cloud of activity in the atmosphere, or rainout in which the activity is incorporated into rain drops at the time of their formation.

1980 Iribarne & Cho Atmospheric Physics ii. 26 The water cycle is important in the cleansing of the atmosphere by two mechanisms: Rainout... Washout—This is the name given to the elimination of gases by dissolution and of aerosol particles through capture by falling water drops.

2. Mining. A place where a portion of a coal or ironstone seam has been carried away by a stream, a deposit of sandstone being left in its place.

ΘΚΠ

the world > the earth > minerals > mineral structure or appearance > [noun] > deposit replacing eroded section

wash-out1876

1876 W. Cudworth Round about Bradford 56.

1911 Act 1 & 2 George V c. 50 §20 The position, direction, and extent of every known fault of every seam with its vertical throw, and..every known washout and intrusive dyke.

3. The removal by flood of a portion of a hillside; a hole or breach in a railway or road track caused by flood or erosion. Originally U.S.

ΘΚΠ

the world > the earth > water > flow or flowing > flood or flooding > [noun] > removal or destruction by

wash-out1873

washaway1893

the world > the earth > land > landscape > low land > hole or pit > [noun] > caused by erosion or water

wash-out1873

scour-hole1890

washaway1893

1873 Newton Kansan 29 May 3/2 Owing to a wash out on the Cottonwood last Sunday night, we had no train from the east until Tuesday afternoon.

1883 Daily News 24 Sept. 2/1 The well built Mexican Railway..has had difficulty enough to prevent ‘wash-outs’.

1883 Standard 25 Dec. 5/4 A train..ran into a wash-out.

1885 T. Roosevelt Hunting Trips 153 The rains and torrents cutting away the land into channels, which at first are merely wash-outs, and at last grow into deep canyons.

1910 Times 5 Mar. 5/6 On the Peking and Hankau Railway..washouts may extend, not for one or two miles, but for fifty or a hundred miles.

4. slang.

a. A disappointing failure, a ‘sell’.

ΘΚΠ

the world > action or operation > failure or lack of success > [noun] > one who or that which is unsuccessful > that which is a failure

fizzle1846

fiasco1855

frost1874

blue duck1889

wash-out1902

blowout1925

turkey1927

flopperoo1936

stiff1937

muck-up1942

bomb1954

fizzer1957

lead balloon1960

damp squib1963

bummer1967

downer1976

1902 Westm. Gaz. 1 Nov. 2/1 As Harker remarked, ‘Half a guinea for an essay is no wash-out’.

1915 P. MacGill Amateur Army 57 What the dickens did you take this here [rifle] for!.. It's a blooming wash-out. Footn. ‘Wash-out’ is a term used by the men when their firing is so wide of the mark that it fails to hit any spot on the card. The men apply it indiscriminately to anything in the nature of a failure.

b. A useless or unsuccessful person; spec. in Air Force slang, a person who is eliminated from a course of training.

ΘΚΠ

the world > action or operation > failure or lack of success > [noun] > one who or that which is unsuccessful > one who is a failure

botch1769

non-starter1839

schlemiel1868

also-ran1896

rinky-dink1900

flivver1915

wash-out1918

jabroni1919

bust1922

blowout1925

dropout1930

zilch1933

sad sack1943

loser1955

1918 J. M. Grider War Birds (1926) 65 Yesterday was washout day so we all went into town and threw a party at the Court.

1925 N. Venner Imperfect Impostor i. 6 If you haven't got a job to do, you're a washout. You might as well be napood right off.

1927 C. A. Lindbergh ‘We’ 115 We waited for the almost weekly list of washouts to be published.

1929 D. H. Lawrence Pansies 126 Now it's a country of..young wash-outs pretending to be in love with death.

1936 J. B. Priestley They walk in City v. 115 Gregory Porson was no good, a blighter,..a worm, a wash-out.

1950 Chicago Tribune 27 Apr. iv. 1/5 But there's a redeeming feature about the washouts, etc. The Wrigley field tenants still have their perfect percentage based on three straight victories.

1973 Times 23 Apr. 4/7 I think I'm a washout.

c. Air Force slang. A wrecked aeroplane.

ΘΚΠ

society > travel > air or space travel > a means of conveyance through the air > aeroplane > [noun] > wrecked or damaged aircraft

wash-out1928

ruptured duck1930

1928 Pop. Sci. Monthly May 72/1 Damage to a plane is spoken of as a..‘crash’ and if beyond repair as a ‘washout’.

1972 in Amer. Speech 1972 (1975) 47 114 Wash out—complete wreckage.

5. Aeronautics. A decrease in the angle of incidence of an aeroplane wing towards the tip. [Perhaps < wash n. 6b (b), but compare wash v. 2k, 13e.]

ΘΚΠ

society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [noun] > plane or aerofoil > wing > angle of chord of wing with air current > decrease or increase in angle of incidence

wash-out1913

wash-in1916

1913 Flight 25 Jan. 87/2 The fact of them [an aeroplane's wing tips] appearing to be negative does not necessarily imply more than a ‘wash-out’.

1916 H. Barber Aeroplane Speaks 81 The wash-out also renders the ailerons..more effective.

1939 Jrnl. Royal Aeronaut. Soc. 43 792 The designer has available in this connection not only the use of tip slots, but the use of wash~out and of varying aerofoil section along the span.

1979 Bertin & Smith Aerodynamics for Engineers iii. 83 The wings of numerous subsonic aircraft have wash out to control the spanwise lift distribution.

This entry has not yet been fully updated (first published 1923; most recently modified version published online June 2022).

单词	wash-out
释义	wash-outn. Brit. /ˈwɒʃaʊt/, U.S. /ˈwɔʃˌaʊt/, /ˈwɑʃˌaʊt/ Etymology: < verbal phrase to wash out: see wash v. 13. 1. a. An act of washing out a cistern, etc.; a pipe or other appliance for doing this. Also attributive. ΘΚΠ the world > physical sensation > cleanness and dirtiness > cleaning > washing > [noun] > an act of washing wash1663 souse1741 rinse1837 wash-out1877 slush1902 sloosh1919 society > occupation and work > equipment > conveyor > [noun] > conduit, channel, or tube > pipe > for water > types of suspiral1420 quillc1433 boss?1521 susper1532 fountain-pipe1664 pump log1816 wash-out1903 tie-line1949 dead leg1953 1877 S. S. Hellyer Plumber ix. 86 This ‘water-battery’ water-closet is similar in principle and shape to the ‘wash-out’ closet-basin. 1884 Internat. Health Exhib. Official Catal. 94/1 Shanks' Patent ‘Tubal’ Washout Closets with Patent ‘Reliable’ Syphon Cisterns. 1901 Feilden's Mag. 4 430/1 There was a 6-in. washout pipe which was connected to the 12 in. main. 1903 Architect 24 Apr. (Suppl.) 23/2 Valves are provided en route to divide the delivery main into sections and control the supply. Wash-outs and air-valves are provided, also hydrants in the villages for fire protection. b. Biology and Medicine. The removal of material, esp. from a physiological system, by means of a fluid; the fluid used for, or matter removed by, this. ΘΚΠ the world > health and disease > healing > medical treatment > treatments removing or dispersing matter > [noun] > wash-out wash-out1955 the world > health and disease > healing > medicines or physic > medicines for specific purpose > cleansing or expelling medicines > [noun] mundificativea1400 mundifierc1475 mundification1580 mundicative1632 evacuative1656 relaxer1671 expeller1683 evacuatory1707 evacuator1718 rhyptic1721 abluent1726 evacuant1727 expellent1823 mundificant1842 eliminant1852 depletant1880 wash-out1955 the world > health and disease > healing > medical treatment > treatments removing or dispersing matter > [noun] > wash-out > matter removed by wash-out1977 1955 in Shorter Oxf. Eng. Dict. (ed. 3) Add. 1966 Jrnl. Lab. & Clinical Med. 66 856 The rapidity of indicator washout..should yield information regarding fluid flow patterns within the cardiovascular system. 1971 Nature 23 July 266/2 With a closed system technique in which a nitrogen-free atmosphere was made with helium-oxygen washout, a substantial increase in the concentration of nitrogen was measured. 1977 Lancet 8 Oct. 745/1 In a check of the wash-out from swabs and surgical drapes with measured volumes of blood the maximum error recorded was +2.8% by volume. 1980 Nature 17 Jan. 265/1 Spontaneous synaptic activity was detected in most myotubes within 1–2 min of curare washout. c. Meteorology. The removal of particles from the air by falling water droplets. Cf. rainout n. 2. ΘΚΠ the world > the earth > weather and the atmosphere > weather > precipitation or atmospheric moisture > rain > [noun] > removal of particles from air by rain rainout1954 wash-out1955 1955 A. C. Chamberlain Aspects of Trav. & Deposition of Aerosol & Vapour Clouds (A.E.R.E. Doc. HP/R 1261) 2 Consideration is given to the four mechanisms by which aerosol particles and vapours are removed from the atmosphere, namely: (a) Sedimentation, (b) Impaction, (c) Diffusion.., (d) Wash out by rain. 1974 Population Dose Evaluation 492 In addition to dry deposition, there is washout by rain falling through a cloud of activity in the atmosphere, or rainout in which the activity is incorporated into rain drops at the time of their formation. 1980 Iribarne & Cho Atmospheric Physics ii. 26 The water cycle is important in the cleansing of the atmosphere by two mechanisms: Rainout... Washout—This is the name given to the elimination of gases by dissolution and of aerosol particles through capture by falling water drops. 2. Mining. A place where a portion of a coal or ironstone seam has been carried away by a stream, a deposit of sandstone being left in its place. ΘΚΠ the world > the earth > minerals > mineral structure or appearance > [noun] > deposit replacing eroded section wash-out1876 1876 W. Cudworth Round about Bradford 56. 1911 Act 1 & 2 George V c. 50 §20 The position, direction, and extent of every known fault of every seam with its vertical throw, and..every known washout and intrusive dyke. 3. The removal by flood of a portion of a hillside; a hole or breach in a railway or road track caused by flood or erosion. Originally U.S. ΘΚΠ the world > the earth > water > flow or flowing > flood or flooding > [noun] > removal or destruction by wash-out1873 washaway1893 the world > the earth > land > landscape > low land > hole or pit > [noun] > caused by erosion or water wash-out1873 scour-hole1890 washaway1893 1873 Newton Kansan 29 May 3/2 Owing to a wash out on the Cottonwood last Sunday night, we had no train from the east until Tuesday afternoon. 1883 Daily News 24 Sept. 2/1 The well built Mexican Railway..has had difficulty enough to prevent ‘wash-outs’. 1883 Standard 25 Dec. 5/4 A train..ran into a wash-out. 1885 T. Roosevelt Hunting Trips 153 The rains and torrents cutting away the land into channels, which at first are merely wash-outs, and at last grow into deep canyons. 1910 Times 5 Mar. 5/6 On the Peking and Hankau Railway..washouts may extend, not for one or two miles, but for fifty or a hundred miles. 4. slang. a. A disappointing failure, a ‘sell’. ΘΚΠ the world > action or operation > failure or lack of success > [noun] > one who or that which is unsuccessful > that which is a failure fizzle1846 fiasco1855 frost1874 blue duck1889 wash-out1902 blowout1925 turkey1927 flopperoo1936 stiff1937 muck-up1942 bomb1954 fizzer1957 lead balloon1960 damp squib1963 bummer1967 downer1976 1902 Westm. Gaz. 1 Nov. 2/1 As Harker remarked, ‘Half a guinea for an essay is no wash-out’. 1915 P. MacGill Amateur Army 57 What the dickens did you take this here [rifle] for!.. It's a blooming wash-out. Footn. ‘Wash-out’ is a term used by the men when their firing is so wide of the mark that it fails to hit any spot on the card. The men apply it indiscriminately to anything in the nature of a failure. b. A useless or unsuccessful person; spec. in Air Force slang, a person who is eliminated from a course of training. ΘΚΠ the world > action or operation > failure or lack of success > [noun] > one who or that which is unsuccessful > one who is a failure botch1769 non-starter1839 schlemiel1868 also-ran1896 rinky-dink1900 flivver1915 wash-out1918 jabroni1919 bust1922 blowout1925 dropout1930 zilch1933 sad sack1943 loser1955 1918 J. M. Grider War Birds (1926) 65 Yesterday was washout day so we all went into town and threw a party at the Court. 1925 N. Venner Imperfect Impostor i. 6 If you haven't got a job to do, you're a washout. You might as well be napood right off. 1927 C. A. Lindbergh ‘We’ 115 We waited for the almost weekly list of washouts to be published. 1929 D. H. Lawrence Pansies 126 Now it's a country of..young wash-outs pretending to be in love with death. 1936 J. B. Priestley They walk in City v. 115 Gregory Porson was no good, a blighter,..a worm, a wash-out. 1950 Chicago Tribune 27 Apr. iv. 1/5 But there's a redeeming feature about the washouts, etc. The Wrigley field tenants still have their perfect percentage based on three straight victories. 1973 Times 23 Apr. 4/7 I think I'm a washout. c. Air Force slang. A wrecked aeroplane. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > [noun] > wrecked or damaged aircraft wash-out1928 ruptured duck1930 1928 Pop. Sci. Monthly May 72/1 Damage to a plane is spoken of as a..‘crash’ and if beyond repair as a ‘washout’. 1972 in Amer. Speech 1972 (1975) 47 114 Wash out—complete wreckage. 5. Aeronautics. A decrease in the angle of incidence of an aeroplane wing towards the tip. [Perhaps < wash n. 6b (b), but compare wash v. 2k, 13e.] ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [noun] > plane or aerofoil > wing > angle of chord of wing with air current > decrease or increase in angle of incidence wash-out1913 wash-in1916 1913 Flight 25 Jan. 87/2 The fact of them [an aeroplane's wing tips] appearing to be negative does not necessarily imply more than a ‘wash-out’. 1916 H. Barber Aeroplane Speaks 81 The wash-out also renders the ailerons..more effective. 1939 Jrnl. Royal Aeronaut. Soc. 43 792 The designer has available in this connection not only the use of tip slots, but the use of wash~out and of varying aerofoil section along the span. 1979 Bertin & Smith Aerodynamics for Engineers iii. 83 The wings of numerous subsonic aircraft have wash out to control the spanwise lift distribution. This entry has not yet been fully updated (first published 1923; most recently modified version published online June 2022). < n.1873
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