sonotone

French

Etymology

From the trademark Sonotone, manufacturer of hearing aids from 1929 to 2005.

Noun

sonotone m (plural sonotones)

1. 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)

1. hearing aid

   Synonym: audífono

Further reading

• “sonotone”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014