analog analog /ˈænəˌlɔːɡ/

adjective

1. (electronics) Of a circuit or device in which the value of a data item is represented by a continuously variable physical quantity rather than digitally  ( analog , analogue [British] , linear )
   (electronics) Of a circuit or device in which the value of a data item is represented by a continuously variable physical quantity rather than digitally
    Analogue device
   analogue device
    Linear amplifier
   linear amplifier
   

noun

1. [American] Something having the property of being analogous to something else  ( analog [American] , analogue , parallel )
   something having the property of being analogous to something else