pressure tuben.
/ˈprɛʃə ˌtjuːb/, /ˈprɛʃə ˌtʃuːb/, U.S. /ˈprɛʃər ˌt(j)ub/ 1.
a. A tube containing liquid or gas under pressure.
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the world > matter > chemistry > equipment or apparatus > [noun] > miscellaneous apparatus
bain1477
speculum1650
filtering paper1651
wheel-fire1662
filter paper1670
sun furnace1763
respirator1789
candle-ball1794
rectifier1822
candle-bomb1823
filter1823
oxyhydrogen blowpipe1823
shade1837
graduator1839
pipette1839
thistle funnel1849
pressure tube1852
ozonizer1858
dialyser1861
Liebig condenser1861
Sprengel pump1866
Sprengel tube1866
water softener1867
mercury pump1869
Bunsen burner1870
dialysator1877
test-mixer1877
tube-condenser1877
Kipp1879
reflux condenser1880
policeman1888
converter1889
pressure boiler1891
spot plate1896
hydrogen electrode1898
sampler1902
reactor1903
fume-chamber1905
Permutit1910
microburner1911
salt bridge1915
precipitator1919
Raschig ring1920
microneedle1921
titrator1928
laboratory coatc1936
spray tower1937
precipitron1938
ion exchanger1941
potentiostat1942
chemostat1950
Knudsen pipette1951
pH-stat1956
cryopump1958
1852 J. Bennett tr. J. F. d'Aubuisson de Voisins Treat. Hydraulics 454 The height of the pressure tube [Fr. tuyau de chute] is 242.78 ft.; this is the head that impels upwards the piston B.
1882 Manufacturer & Builder Nov. 254/2 They compressed a mixture of oxygen and ozone at 125 atmospheres in the pressure tube of Cailletet's apparatus.
1934 Proc. Royal Soc. A. 144 395 Passing through its cover plate was a steel pressure tube J, supplying nitrogen.
1992 Limnol. & Oceanogr. 37 65/2 Three-way valves positioned at each end of the pressure tube allow pressure release out of the cylinder and out of the tube to occur independently.
b. spec. A tube in which pressurized coolant or moderator is passed through the core in certain types of nuclear reactor. Usually attributive in pressure tube reactor.
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the world > matter > physics > atomic nucleus > nuclear fission > nuclear fuel > [noun] > tube containing coolant or moderator
pressure tube1959
1959 Chron.-Telegram (Elyria, Ohio) 27 Feb. 1/5 East Central Nuclear will conduct the research program to develop a pressure tube reactor at an estimated cost of $18 million.
1961 J. K. Pickard et al. Power Reactor Technol. iv. 214 A graphite reflector can be used..which compensates for the loss of neutrons in the pressure tubes.
1992 D. M. Elsom Atmospheric Pollution (BNC) (ed. 2) 125 The accident at the graphite moderated, light-water-cooled pressure tube reactor at Chernobyl occurred on 26 April 1986.
2. A tube open at one or more points to a surrounding fluid whose velocity or pressure it is used to measure. Usually attributive in pressure tube anemometer.
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the world > the earth > weather and the atmosphere > weather > study or science of weather > meteorological instruments > [noun] > tube measuring pressure or velocity
pressure tube1894
1894 Q. Jrnl. Royal Meteorol. Soc. 20 186 Lately he had spent a good many hours by the side of Mr. Dines's pressure tube anemometer, watching the action of the pen in squalls of wind.
1920 G. Taylor Austral. Meteorol. viii. 77 The pressure and suction tubes..act together to move the float.
1970 R. W. Longley Elem. Meteorol. vii. 140 The record..came from a Dines pressure-tube anemometer which is able to measure rapid fluctuations in the wind.
2000 Irish Times (Nexis) 13 Sept. 32 The pressure-tube anemometer senses the direction of the wind with a wind vane, mounted on a mast.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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n.1852