| 单词 | sputum |
| 释义 | sputum (once / 37168 pages) n Sputum is the gross stuff that you cough up when you're sick and congested. Sputum is your saliva mixed with mucus from your lungs. Examining a patient's sputum is one way for a doctor to tell if she might have an infection, rather than just a cold. A yellow or greenish color to the sputum someone coughs up is a sign of infection, while clear sputum usually means all is well. The word sputum shares a root with spew, the Latin verb spuere, "to spit." WORD FAMILYsputum: sputa USAGE EXAMPLES“When we cough in the morning, we see dust in our sputum,” he said. The Guardian(Dec 01, 2016) They have also analyzed blood, sputum and stool samples, which are then sent to the CDC for more extensive testing. Seattle Times(Nov 29, 2016) Her coughing fits became so violent that she vomited, milk mixed with ropes of sputum. New York Times(Nov 23, 2016) n expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness Syn|Hyper phlegm mucous secretion, mucus protective secretion of the mucus membranes; in the gut it lubricates the passage of food and protects the epithelial cells; in the nose and throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium |
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