hot welln.
/ˈhɒt wɛl/, U.S. /ˈhɑt ˌwɛl/ 1. A spring of naturally hot water; = hot spring n. at hot adj. and n.1 Compounds 3.
ΘΚΠ
the world > the earth > water > spring > [noun] > hot
hot wella1387
hot spring1572
geyser1780
ngawha1843
jetter1870
a1387 J. Trevisa tr. R. Higden Polychron. (St. John's Cambr.) (1869) II. 23 (MED) In Brytayne beeþ hoote welles wel arrayed and i-hiȝt to þe vse of mankynde.
?a1425 Mandeville's Trav. (Egerton) 64 Þe cite of Phenice whare er hate welles and hate bathez.
1572 J. Jones Bathes of Bathes Ayde ii. f. 11v The hot wellse, in the fielde of Padua.
1635 J. Swan Speculum Mundi vi. §2. 225 In Sardinia be hot wells that heal sore eyes.
1687 in Merchant Venturess Bristol (1952) viii. 132 The same Committee are ordered to putt in a new spoute into the Hott well.
1722 C. Morris Diary 19 July (1934) 93 She was gone to the Hotte Well... I went thither after her; And..drank 2 Glasses of the Water.
1768 J. Canton in Philos. Trans. 1767 (Royal Soc.) 57 203 The hot-well near Bristol, the water of which raised the thermometer to 76°.
1811 J. Black tr. A. von Humboldt Polit. Ess. New Spain II. 222 There are a great quantity of hot wells, which generally contain only muriatic acid, without any vestiges of terreous sulfates or metallic salts.
1859 J. E. Tennent Ceylon II. ix. v. 497 The hot wells, in addition to their medical qualities, are held sacred in the eyes of the Tamils.
1925 J. Parkes Trav. in Eng. in 17th Cent. viii. 314 The other wonders of the Peak were..the hot well at Buxton; and a hill..near Castleton, with a cliff face.
1999 Western Daily Press (Nexis) 8 May 17 It was originally built as a boarding house for some of those visiting the then famous hotwells.
2. Engineering. A reservoir or vessel into which heated water passes after use; spec. one that receives water from the condenser in a condensing steam engine or a steam turbine which is then used to supply the boiler.
ΘΚΠ
society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > chambers or reservoirs
receiver1702
hot well1729
catchwater drain1744
steam-vessel1769
explosion chamber1839
uptake1839
smoke-box1846
combustion chamber1854
receiver1873
tube-case1890
1729 S. Switzer Introd. Gen. Syst. Hydrostaticks & Hydraulicks II. xxix. 339 The Sinking-pipe to carry off the Water which is injected into the Cylinder at every stroke, whose end Z..is turn'd upwards with a Valve upon it, kept tight (when shut) by a little Water in the hot Well Z.
1799 Trans. Amer. Philos. Soc. 4 356 The pipe which conveys the water from the condenser to the hot-well.
1875 Times 25 Nov. 9/7 The springs on the hot-well valves proved weak under the additional pressure.
1949 A. C. Walshaw Heat Engines (ed. 3) vii. 129 From the hot well the water is pumped by means of a feed pump into the boiler again for re-evaporation into steam.
1999 Desalination 126 29/2 The control loops for the..steam turbine hot well level.
This entry has been updated (OED Third Edition, December 2008; most recently modified version published online March 2022).
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n.a1387