Term: hearing aid: a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
Broader: acoustic device: a device for amplifying or transmitting sound | Unrelated: ostraciidae: boxfishes
Broader: acoustic device: a device for amplifying or transmitting sound | Unrelated: ethmoid sinus: a sinus of the meatuses of the nasal cavity (behind the bridge of the nose)
Broader: acoustic device: a device for amplifying or transmitting sound | Unrelated: university: the body of faculty and students at a university
Broader: acoustic device: a device for amplifying or transmitting sound | Unrelated: addiction: an abnormally strong craving
Broader: acoustic device: a device for amplifying or transmitting sound | Unrelated: margin account: an account with a securities brokerage in which the broker extends credit
Broader: acoustic device: a device for amplifying or transmitting sound | Unrelated: thermal barrier: a limit to high speed flight imposed by aerodynamic heating
Broader: acoustic device: a device for amplifying or transmitting sound | Unrelated: common law: a system of jurisprudence based on judicial precedents rather than statutory laws
Broader: acoustic device: a device for amplifying or transmitting sound | Unrelated: edibility: the property of being fit to eat
Broader: acoustic device: a device for amplifying or transmitting sound | Unrelated: instructress: a woman instructor
Broader: acoustic device: a device for amplifying or transmitting sound | Unrelated: streptococcal sore throat: an infection of the oral pharynx and tonsils by streptococcus