analogue /ˈanəlɒɡ / ‹US› analog

a

I. noun

1. a person or thing seen as comparable to another

an interior analogue of the exterior world.
2.
[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’.

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