Word parts ear + phone Pronunciation IPA (key): /ˈɪə(r)fəʊn/ Audio (UK)(file) Noun Singular earphone Plural earphones (countable) (usually plural) A earphone is a very small headphone that is fitted into a person's ear that makes sound. The music on the person's earphones was so loud that he didn't know I was talking to him. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads