Pneum/o, pneumat/o, pneumon/o, pulm/o or pulmon/o is a combining form for “lungs”.
Example Word: pneum/o/thorax
Word Breakdown: Pneum/o pertains to the “lungs”, -thorax is a suffix that refers to “chest” or “chest cavity”.
Definition: A pneumothorax is an accumulation of air in the pleural cavity usually caused by a lung injury or chest injury.