Definitions
Century Dictionary and Cyclopedia
- n. A collection of pus or purulent matter in any part of an animal body; an abscess.
- Same as impostumate.
Wiktionary
- n. obsolete An abscess.
Etymologies
- From Old French empostume, alteration of apostume ("apostume, large abscess"), from Latin apostema, from Ancient Greek ἀπόστεμα ("separation of pus into an abscess"). (Wiktionary)
Examples
“We feare more the cure then the disease, the surgion then the paine, the stroke then the impostume.”
A Discourse of Life and Death, by Mornay; and Antonius by Garnier
“Why his masculine whore, now the rotten diseases of the south, the guts griping ruptures: loades a gravell in the back, lethergies, could palsies, rawe eies, durtrotte [n] livers, whissing lungs, bladders full of impostume.”
“Whereupon Catullus called Nonius a scab or impostume though he sat in his chair of estate. [”
Lists
These user-created lists contain the word ‘impostume’.
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phrontistery - i
from phrontistery.info
iamatology, iamb, ianthine, iatraliptic, iatramelia, iatrarchy, iatrochemistry, iatrogenic, iatrology, iatromathematics, iatrophobia, ibidem and 510 more...
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Sima Yi's list
A list of words I find unusual and interesting.
dysphemism, hapax legomenon, rill, repristinate, exuviate, phillipic, fillip, cyanobacteria, prokaryotic, onomasticon, bibliotics, diplomatics and 45 more...
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The Aubrey/Maturin List I'm Gonna Mak...
I'm wading through Patrick O'Brian's Aubrey/Maturin novels one by one, and someday, I'll wade through them again and list all the words I learned while reading them.
Edit: I started ma...studdingsail, carronade, mumchance, grumlin-futtocks, crosscat-harpings, holystone, sennit, orlop, orchitis, negus, kevel, altumal and 1112 more...
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Physiological Terms
Terms used in physiology
contabescence, infix, instill, demulcent, pachystichous, pachyhaemous, adrenal, suprarenal, adrenocorticotropic, remedial, flaccid, phosphene and 137 more...
Tweets
Looking for tweets for impostume.

chained_bear "Splinter-wounds occupied them for some time: instances of healing at first intent, instances of malignant impostumes; and when Stephen stood up Jack said 'I will come with you.'"
--Patrick O'Brian, The Nutmeg of Consolation, 183 Mar 7, 2008