sonotone
French
Etymology
From the trademark Sonotone, manufacturer of hearing aids from 1929 to 2005.
Noun
sonotone m (plural sonotones)
- Synonym of audioprothèse
Further reading
- “sonotone”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
Spanish
Etymology
From the trademark Sonotone, manufacturer of hearing aids from 1929 to 2005.
Noun
sonotone m (plural sonotones)
- hearing aid
- Synonym: audífono
Further reading
- “sonotone”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014