a clock that displays the time in numerical digits rather than by hands on a dial.
Compare analog clock.
Origin of digital clock
First recorded in 1975–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for digital clock
a clock or watch in which the hours, minutes, and sometimes seconds are indicated by digits, rather than by hands on a dialCompare analogue clock
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012