poly·​som·​nog·​ra·​phy -fē How to pronounce polysomnography (audio)
plural polysomnographies
: the technique or process of using a polygraph to make a continuous record during sleep of multiple physiological variables (as breathing, heart rate, and muscle activity)
polysomnographic adjective
polysomnographically adverb

Dictionary Entries Near polysomnography

Cite this Entry

“Polysomnography.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/polysomnography. Accessed 19 May. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!