Obs. [ad. L. exustiōn-em, n. of action f. exūrĕre (see EXUST). Cf. OF. exustion.] a. The action or process of burning or burning up (something). b. Heat attendant upon disease.

1

  a.  1610.  Barrough, Meth. Physick, V. xiii. (1634), 299. You must use some hot burning instrument…. After exustion, minister the juyce of Leekes, and other such things as do drie.

2

1651.  Raleigh’s Ghost, 353. The generall exustion and burning of the world.

3

1720.  S. Parker, Bibl. Biblica (Gen. xix. 25), I. 424. The frightful Effects which this Exustion [of Sodom and Gomorrah] left are still remaining.

4

  b.  1657.  Tomlinson, Renou’s Disp., 712. It allayes the inflammations, exustions, and hot distempers.

5