The story
From pneumococcus + -osis.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Any of various diseases caused by pneumococcus (for example, pneumococcal pneumonia, pneumococcal sepsis, and pneumococcal meningitis). Full definition →
From pneumococcus + -osis.
Etymology from Wiktionary, CC BY-SA 4.0.