Noun | 1. | bronchopneumonia - pneumonia characterized by acute inflammation of the walls of the bronchioles pneumonia - respiratory disease characterized by inflammation of the lung parenchyma (excluding the bronchi) with congestion caused by viruses or bacteria or irritants aspiration pneumonia - inflammation of the lungs caused by inhaling or choking on vomitus; may occur during unconsciousness (anesthesia or drunkenness or seizure or cardiac arrest) |