- the yellow or greenish fluid product of inflammation, composed largely of dead leucocytes, exuded plasma, and liquefied tissue cells
WordReference Random House Learner's Dictionary of American English © 2026
pus /pʌs/USA pronunciation
n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Pathologya yellow-white, liquid-like substance produced by the body in an infected wound, in abscesses and sores, etc.
pus
(pus),USA pronunciation n.
pus′like′, adj.
- Pathologya yellow-white, more or less viscid substance produced by suppuration and found in abscesses, sores, etc., consisting of a liquid plasma in which white blood cells are suspended.
- Latin; akin to Greek pýon pus. See pyo-
- 1535–45
Collins Concise English Dictionary © HarperCollins Publishers::
pus /pʌs/ n
'pus' also found in these entries (note: many are not synonyms or translations):
abscess
- boil
- bubo
- clean
- coypu
- discharge
- drain
- draw
- empyema
- fester
- foul
- gather
- gathering
- groundsel
- head
- lance
- matter
- platypus
- purulent
- puss
- pussy
- pustule
- pyaemia
- pyo-
- pyorrhoea
- pyuria
- resolution
- resolve
- running
- sanies
- sepsis
- septicaemia
- sinus
- sputum
- suppurate
- water blister
- aspiration
- Corpus Christi Bay
- distemper
- drainage
- hypopyon
- intercampus
- issue
- lupus erythematosus
- lupus vulgaris
- magnum opus
- mucopurulent
- noncampus
- paronychia
- periodontitis