reheatn.
/ˈriːhiːt/, U.S. /ˈrihit/ 1. A second or subsequent operation of heating; esp. an instance of heating something that has previously cooled.
ΘΚΠ
the world > matter > properties of materials > temperature > heat > heating or making hot > [noun] > heating again
reheating1725
recalcination1751
reheat1868
1868 Bessemer Process & Wks. in U.S. 24 Steel rails are bloomed from nine-inch ingots, and then roughed down and finished at a reheat.
1893 Amer. Econ. 12 158/1 It is claimed that wrought scrap iron, a highly advanced labor product requiring but a reheat, should enter duty free.
1938 Van Nostrand's Sci. Encycl. 950/1 Many industrial processes in which heat plays a part, employ reheating, sometimes to the extent of several ‘reheats’.
1998 P. Chapman 1999 Good Curry Guide 46 A Medium Chicken Curry..requires no more than a reheat of some gravy with some chicken.
2. Engineering. Inadvertent heating of the steam in a turbine, decreasing the amount of mechanical energy available and hence the efficiency of the turbine. Also: the process of reheating partially expanded steam from a turbine and then passing it back to the turbine for further expansion, in order to increase efficiency (usually attributive).
ΚΠ
1911 E. Buckingham in Bull. Bureau Standards 7 613 With poor efficiency the reheat might be enough to keep the steam dry a long way down in the turbine.
1930 Jrnl. Land & Public Utility Econ. 6 245/2 Experimental installations using high-pressure, high-temperature steam and operating on a reheat cycle have shown higher thermal efficiencies.
1953 B. H. Jennings & W. L. Rogers Gas Turbine Analysis & Practice iii. 104 One of the factors contributing to this lower efficiency is the..deleterious effect of reheat in the compressor.
1959 Motor 27 May 562/3 The resultant gases pass through the high-speed turbine, then a second, ‘re-heat’ combustion chamber followed by the power turbine.
2005 E. B. Woodruff et al. Steam Plant Operation (ed. 8) ii. 65 For plants that use a reheat cycle, it is also necessary that the boiler provides reheat steam temperatures that are also constant over the control range.
3. Aeronautics. An afterburner. Also: combustion in an afterburner; afterburning.
ΘΚΠ
society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > jet > combustion in
afterburning1946
reheat1948
society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > means of propulsion > [noun] > aircraft engine > jet engine > parts of
flame-trap1932
thrust augmentor1933
thrust spoiler1947
reheat1948
reverser1954
thrust reverser1954
1947 Pop. Sci. Monthly Oct. 87/1 As a next step, they've devised the after~burner. It's principle, essentially the same as the steam-turbine reheat system, is fairly simple.]
1948 Brit. Patent 606,176 4/1 The act of turning on the re-heat will open the propelling nozzle.
1949 Flight 8 Sept. 285/1 Exhaust reheat, or ‘afterburning’, is the name given to the process of burning fuel in the exhaust pipe of a jet-propulsion unit.
1972 D. Hart-Davis Spider in Morning ii. 21 The reheats were in and burning fuel at a terrifying rate.
2005 R. R. Lawrence Mammoth Bk. Space Explor. & Disasters i. 4 The XF.91 was powered by a General Electric J.47 turbo-jet engine equipped with reheat.
Compounds
reheat factor n. Engineering the ratio of the measured efficiency of a steam turbine to the efficiency expected without a reheat stage.
ΘΚΠ
society > occupation and work > equipment > machine > machines which impart power > turbine > [noun] > driven by steam > measure of performance of
reheat factor1911
1911 E. Buckingham in Bull. Bureau Standards 7 600 The ‘reheat-factor’..will be denoted by R. Its value..depends on the ratio of the initial and final temperatures and on the stage efficiency.
1961 Fox & McBirnie Marine Steam Engines & Turbines (ed. 2) xviii. 438 The significance of the reheat factor is that in a multi-stage steam turbine any particular stage benefits somewhat from the inefficiency of the preceding stages.
2005 S. L. Dixon Fluid Mech. & Thermodynamics Turbomachinery (ed. 5) ii. 41 The relationship between reheat factor and pressure ratio for various fixed values of the polytropic efficiency has been calculated.
reheat furnace n. Metallurgy = reheating furnace n. at reheating n. Compounds.
ΘΚΠ
society > occupation and work > equipment > furnace or kiln > furnace > [noun] > other furnaces
retort furnace1688
stew1688
reheating furnace1818
reheating oven1839
water oven1848
Siemens producer1866
decomposing furnace1876
reheat furnace1931
exfoliator1944
1931 U.S. Patent 1,815,867 1/2 If it is desired to reduce several sizes of tubes..it is necessary, according to present practice, to have several reducing trains each with its separate reheat furnace.
1959 Jrnl. Iron & Steel Inst. Dec. 25 (advt.) The monolithic roof of a reheat furnace at the Margam works of the Steel Company of Wales.
1995 Denver Post 7 May g1/3 An 18-foot-long..steel bloom emerges red-hot from a new reheat furnace.
This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022).
reheatv.
/ˌriːˈhiːt/, U.S. /riˈhit/ 1. transitive. To heat for a second or subsequent time; esp. to heat (something which has previously cooled).
ΘΚΠ
the world > matter > properties of materials > temperature > heat > heating or making hot > heat or make hot [verb (transitive)] > again
rechauffe1483
recalefy1599
rewarm1608
reheat1649
réchauffer1899
the world > food and drink > food > food manufacture and preparation > cooking > cook [verb (transitive)] > reheat
to warm up1848
reheat1884
1649 in tr. R. Descartes Disc. of Method v. 85 The blood, which passing the heart, reheats it self there.
1705 tr. Whole Art of Dying 222 The Inquest should keep a Register in due form, and enter therein..how many times he reheats them.
1789 tr. P. J. Macquer in tr. J. Hellot et al. Art of dying Wool, Silk, & Cotton (new ed.) ii. 378 The copper is then reheated.
1839 A. Ure Dict. Arts 573 In making bottles we should..reheat them as seldom as may be absolutely necessary.
1884 W. H. Greenwood Steel & Iron xvi. 357 They are now only very rarely employed for reheating steel ingots.
1921 S. Anderson Triumph of Egg 68 He put the pan of vinegar back on the stove, intending to reheat the egg.
1960 Pop. Sci. Jan. 185 If it [sc. air] returns too slowly, it arrives too cold and your furnace labors to reheat it.
2008 Daily Post (Liverpool) (Nexis) 11 Nov. (Features section) 3 Reheat the soup, season to taste and serve garnished with a little cream and parsley sprigs.
2. intransitive. Of food: to undergo reheating (well, badly, etc.).
ΘΚΠ
the world > food and drink > food > food manufacture and preparation > cooking > undergo cooking [verb (intransitive)] > undergo reheating
reheat1935
1935 El Paso (Texas) Herald-Post 6 Dec. 13/7 When you have baked beans, peas, ground ham or beef, or some other leftover that reheats well, plan a stuffed pepper dinner.
1974 Times 23 Nov. 13/2 The following recipe reheats very well and can be made in advance.
1993 Guardian (Nexis) 10 July (Weekend Suppl.) 40 Chicken reheats badly.
1996 H. Carpenter & T. Sandison Hot Pasta 76 Add a little chicken stock to the sauce as it reheats.
2005 R. L. Parkinson Everything College Cookbk. 86 Frozen cabbage rolls reheat very nicely, making a quick and easy dinner for busy weeknights.
This entry has been updated (OED Third Edition, December 2009; most recently modified version published online March 2022).
<
n.1868
v.1649