Difference between Earphone and Phone

Earphone

Part of speech: noun

Definition: A transducer that converts electric signals into sound and is held near the ear, especially as part of a telephone; an earpiece or headphone.

Phone

Part of speech: verb

Definition: To call (someone) on the telephone.

Part of speech: noun

Definition: A device for transmitting sound in real time across distances.A speech segment that possesses distinct physical or perceptual properties, considered as a physical event without regard to its place in the phonology of a language.

Example sentence: There's no more important consumer product today than a cell phone.