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单词 sputum
释义

WordReference Random House Learner's Dictionary of American English © 2024
spu•tum /ˈspyutəm/USA pronunciation   n. [uncountable]
  1. Physiologymatter, such as saliva mixed with mucus, coughed up from the lungs.

WordReference Random House Unabridged Dictionary of American English © 2024
spu•tum  (spyo̅o̅təm),USA pronunciation n., pl. -ta (-tə).USA pronunciation 
  1. Physiologymatter, as saliva mixed with mucus or pus, expectorated from the lungs and respiratory passages.
  • Latin spūtum, noun, nominal use of neuter of spūtus, past participle of spuere to spit, equivalent. to spū- variant stem + -tus past participle suffix
  • 1685–95

Collins Concise English Dictionary © HarperCollins Publishers::
sputum /ˈspjuːtəm/ n ( pl -ta / -tə/)
  1. saliva ejected from the mouth mixed with mucus or pus exuded from the respiratory passages, as in bronchitis or bronchiectasis
Etymology: 17th Century: from Latin: spittle, from spuere to spit out
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更新时间:2025/2/23 12:51:29