diaphone

• Sustantivo que designa un tipo de sirena de niebla que emite una señal compuesta por dos tonos distintos.

A noun referring to a type of foghorn that produces a signal composed of two distinct tones.

1. Foghorn with two tonesC2formal

   A type of foghorn that produces a distinctive signal composed of two different tones, used for maritime navigation.

   Diafonía de niebla

   • The lighthouse was equipped with a diaphone to warn ships in thick fog.
   • The diaphone's two-tone signal could be heard for miles across the bay.
   • Sailors recognized the harbor by the unique sound of its diaphone.