PNEUMONIC Meaning of PNEUMONIC in English [pneu.mon.ic] adj [NL pneumonicus, fr. Gk pneumonikos, fr. pneumon] (1675) 1: of, relating to, or affecting the lungs: pulmonic, pulmonary 2: of, relating to, or affected with pneumonia Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012