Earphone

//ˈɪə(ɹ)fəʊn// noun

Definitions

Noun
  1. 1
    A transducer that converts electric signals into sound and is held near the ear, especially as part of a telephone; an earpiece or headphone.
  2. 2
    electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear wordnet

Etymology

From ear + phone.

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