Tuberculosis

From Latin tuberculum (diminutive of tuber ("lump")) + -osis("diseased condition").

Full definition of tuberculosis

(plural tuberculoses)

(pathology) An infectious disease of humans and animals caused by a species of mycobacterium, usually , mainly infecting the lungs where it causes tubercles characterized by the expectoration of mucus and sputum, fever, weight loss, and chest pain, and transmitted through inhalation or ingestion of bacteria.