1854 London Jrnl. Arts, Sci., & Manuf. 45 432 The general arrangement and construction of cupolas and smelting-furnaces for the self-heating of the air-blast.

1929 Chem. Abstr. 23 1561 The effect..of self-heating of metals after previous chilling is attributed here to establishment of equil[ibrium] in a metastable system.

1973 Titusville (Pa.) Herald 27 Nov. 4/1 Hay with a moisture content of more than 30 per cent rapidly acquires the mold and self-heating within the hay encourages its growth.

2011 S. McAllister et al. Fund. of Combustion Processes v. 89 Spontaneous ignition..occurs through the self heating of the reactants.

1828 Times 9 June (advt.) A Patent self-heating Bath.

1898 R. E. Gale & R. M. Baker Bachelor Hall i. 20 I suppose that [box] is one of those self-heating affairs. May be all right to sit on round the North Pole, but it's a little powerful for this latitude.

1952 A. Koestler Arrow in Blue v. xxxii. 272 Some new ‘colossal’ project like the radioactive soap or the self-heating bricks.

1961 Guardian 29 May 2/3 Tins of self-heating cocoa fell from their appointed places into the bilges.

1981 J. R. L. Anderson Death in High Latitude ix. 135 I opened three more cans of our self-heating soup, the only means we had of getting a hot drink.

2005 C. Mendelson Laundry i. iv. 65 European self-heating washing machines offer you wash temperatures as hot as 200°F.