Definition of telephone
(Entry 1 of 2)
: an instrument for reproducing sounds at a distance
specifically
: one in which sound is converted into electrical impulses for transmission (as by wire or radio waves)
telephone
verb
telephoned; telephoning
Definition of telephone (Entry 2 of 2)
: to communicate by telephone
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Merriam-Webster unabridged
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Time Traveler for telephone
The first known use of telephone was in 1832
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