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[an-l-awg, -og] /ˈæn lˌɔg, -ˌɒg/
of or relating to a mechanism that represents data by measurement of a continuous physical variable, as voltage or pressure. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for analog


a variant spelling of analogue
Usage note
The spelling analog is a US variant of analogue in all its senses, and is also the generally preferred spelling in the computer industry


  1. a physical object or quantity, such as a pointer on a dial or a voltage, used to measure or represent another quantity
  2. (as modifier): analogue watch, analogue recording
something analogous to something else
(biology) an analogous part or organ
  1. an organic chemical compound related to another by substitution of hydrogen atoms with alkyl groups: toluene is an analogue of benzene
  2. an organic compound that is similar in structure to another organic compound: thiols are sulphur analogues of alcohols
(informal) a person who is afraid of using new technological devices Compare digital native, digital immigrant
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
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Word Origin and History for analog

chiefly U.S. spelling of analogue (q.v.).

Online Etymology Dictionary, © 2010 Douglas Harper
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analog in Science
analog or analogue
Adjective  Measuring or representing data by means of one or more physical properties that can express any value along a continuous scale. For example, the position of the hands of a clock is an analog representation of time. Compare digital.

  1. An organ or structure that is similar in function to one in another kind of organism but is of dissimilar evolutionary origin. The wings of birds and the wings of insects are analogs.

  2. A chemical compound that has a similar structure and similar chemical properties to those of another compound, but differs from it by a single element or group. The antibiotic amoxicillin, for example, is an analog of penicillin, differing from the latter by the addition of an amino group. Compare homologue.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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analog in Technology

American spelling of analogue.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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