This weeks theme: hearing, sounds and lack thereof.

otolaryngologist

Meaning:
A physician specializing in diagnosing and treating disorders of the the ears, nose, and throat, and neck; commonly referred to as an ENT doctor.

Forms:
otolaryngology (noun referring to the field of medicine)
otolaryngological (adjective)

Root:
Greek oto ear + laryngo larynx/throat.

Example:
"My otolaryngologist prescribed penicillin to me for my ear infection."
"Cynthia's otolaryngological studies involved studying the contractions of all muscles involved in swallowing food."