I. noun 1. a person or thing seen as comparable to another • an interior analogue of the exterior world.
[Chemistry] a compound with a molecular structure closely similar to that of another.
• thioacids are sulphur analogues of oxyacids.
II. adjective 1. relating to or using signals or information represented by a continuously variable physical quantity such as spatial position, voltage, etc. • analogue signals.
• the information on a gramophone record is analogue.
Often contrasted with digital (sense 1).
2. (of a clock or watch) showing the time by means of hands or a pointer rather than displayed digits.
– origin early 19th cent.: from French, from Greek analogon, neuter of analogos ‘proportionate’.