1. an instrument that records the movements of the chest during breathing
Usage: medical; technical

Examples

• The doctor attached a pneumograph to monitor the patient’s breathing patterns.
• Sleep studies often use a pneumograph to detect breathing irregularities.
• The pneumograph showed shallow breathing during the anxiety attack.
• Researchers used a pneumograph to study respiratory changes during exercise.
• The pneumograph’s tracings revealed periods of interrupted breathing.
• Medical students learned to interpret pneumograph readings in their physiology class.