Meaning

noun infection transmitted by inhalation or ingestion of tubercle bacilli and manifested in fever and small lesions (usually in the lungs but in various other parts of the body in acute stages)

originTo international scientific vocabulary from New Latin tūberculōsis, from Latin tūberculum (diminutive of tūber (“lump”)) + Latin -ōsis (“diseased condition”); by surface analysis, tubercul(um) + -osis; named for the encapsulated colonies of Mycobacterium tuberculosis within the lungs in pulmonary tuberculosis, which can look like small tubers (tubercles) on gross pathology. The disease has…

Etymology from Wiktionary, CC BY-SA 3.0