[an-l-awg, -og]
of or pertaining 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. 2014.
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World English Dictionary
analog (ˈænəˌlɒɡ)
a variant spelling of analogue
usage  The spelling analog is a US variant of analogue in all its senses, and is also the generally preferred spelling in the computer industry

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

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

U.S. spelling of analogue (q.v.).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
analog or analogue   (ān'ə-lôg')  Pronunciation Key 
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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Computing Dictionary

analog definition

American spelling of analogue.

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