a. Path. [f. L. apostēmat-, or Gr. ἀποστήματ- stem of ἀπόστημα (see APOSTEME) + -OUS.] Of the nature of an apostem; characterized by abscesses.
1634. T. Johnson, Pareys Chirurg. (1678), XIII. ii. 309. An Apostematous Ulcer is perceived by sight and handling.
1844. Graham, Domest. Med., 342. The apostematous species mostly attacks young persons of a high florid complexion.