sputum
English Thesaurus
1. expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness (noun.body)
| hypernym | : | mucous secretion, mucus, |
| definition | : | 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 (noun.body) |
| derivation | : | phlegmy, |
| definition | : | characterized by phlegm (adj.all) |
| derivation | : | phlegmy, |
| definition | : | characterized by phlegm (adj.all) |
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