Definition of sputum noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈspjuːtəm//
; NAmE NAmE//ˈspjuːtəm//
[uncountable] (medical)
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liquid from the throat or lungs, especially when it is coughed up because of disease blood in the sputum Word Originlate 17th cent.: from Latin, neuter past participle of spuere ‘to spit’.
See the Oxford Advanced American Dictionary entry: sputum