ˈsand-bath
[f. sand n.2 + bath n.1]
1. A vessel of heated sand used as an equable heater for retorts, etc. in various chemical proceses.
| 1677 W. Harris tr. Lemery's Course Chem. 11 These Furnaces may also serve for Distilling by the Refrigeratory, in..the Sand-Bath. 1758 Reid tr. Macquer's Chem. I. 214 Set the retort in a sand-bath fixed over a reverberating furnace. 1880 C. & F. Darwin Movem. Pl. 178 Six of the radicles in a jar..which stood on a sand-bath, raised to a temperature varying from 76° to 82° F., became hooked. |
| attrib. 1839 Ure Dict. Arts 454 This process must be preceded by the sand-bath operation. |
2. A medicinal bath of heated sand or sea-sand.
| 1869 H. F. Tozer Highl. Turkey I. 75 We saw a patient undergoing the sand-bath..for rheumatism. |
3. A bath taken by fowls in sand; a dust-bath.