impostumation, -thumation Now rare.
(ɪmpɒstjuːˈmeɪʃən)
[Altered form of apostumation, apostemation, after impostume.]
1. The formation of an impostume; festering, suppuration.
| 1552 Huloet, Imposthumacion or runnynge of a sore, suppurantia, suppuratio [etc.]. 1643 I. Steer tr. Exp. Chyrurg. v. 13 Hereby commeth inflammation, impostimation, and divers times Gangrene. 1674 J. Josselyn Voy. New Eng. 184 They are troubled with a disease in the mouth or throat..Quinsies, and Impostumations of the Almonds. 1886 Syd. Soc. Lex., Imposthumation, the formation of an imposthume. |
2. = impostume n. 1, 2.
| 1524 St. Papers Hen. VIII, IV. 185, I haue beene..sore vexed..with an impostumacion risen within my mouthe. 1607–12 Bacon Ess., Seditions (Arb.) 408 Maligne vlcers and pernicious impostumacions. a 1788 Pott Chirurg. Wks. II. 448 An abscess, or imposthumation which may be relieved or cured by an opening. 1807 Med. Jrnl. 216 Two or three small imposthumations appeared forming on the legs. |