Also 6 cali-, 7 calfaction, callifaction. Now rare. [ad. L. calefactiōn-em, n. of action f. calefacĕre.]
1. Making warm (lit. and fig.); warming, heating.
1547. Boorde, Brev. Health, lxxiii. 22. It doth signifye califaction of the lyver.
1574. Newton, Health Mag., C iij b. Exercise by motion and calefaction.
1658. R. Franck, North. Mem. (1821), 35. Ardent are other some because influenced by callifaction.
c. 1750. Franklin, Lett., Wks. 1840, VI. 98. The blood is returned again to the heart for a fresh calefaction.
1852. J. H. Newman, Scope Univ. Educ., 10. The science of calefaction and ventilation is reserved for the north.
2. Heated condition.
1634. R. H., Salerne Regim., 196. The Calefaction or boyling ceaseth not by Blood-letting.
1844. Blackw. Mag., 509. [He] paused after his labours in a state of extreme calefaction.
† 3. Med. (See quot.) Obs.
1612. Woodall, Surg. Mate, Wks. (1653), 268. Calfaction is a … preparing simple and compound medicaments, not by boyling or burning, but by the moderate heat of the Sun, fire, fimus equinus, vel ejus vicarius.
