adj
Meaning 1
Describing a type of hearing aid with microphone, amplifier, and battery that sit in a unit behind the wearer's auricle, and the amplified sound is passed down a tube into the ear canal.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: medicine, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided