analogy

[uh-nal-uh-jee]
noun, plural analogies.
1.
a similarity between like features of two things, on which a comparison may be based: the analogy between the heart and a pump.
2.
similarity or comparability: I see no analogy between your problem and mine.
3.
Biology. an analogous relationship.
4.
Linguistics.
a.
the process by which words or phrases are created or re-formed according to existing patterns in the language, as when shoon was re-formed as shoes, when -ize is added to nouns like winter to form verbs, or when a child says foots for feet.
b.
a form resulting from such a process.
5.
Logic. a form of reasoning in which one thing is inferred to be similar to another thing in a certain respect, on the basis of the known similarity between the things in other respects.

Origin:
1530–40; < Latin analogia < Greek. See analogous, -y3


1. comparison, likeness, resemblance, similitude, affinity. 2. correspondence.
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World English Dictionary
analogy (əˈnælədʒɪ)
 
n , pl -gies
1.  agreement or similarity, esp in a certain limited number of features or details
2.  a comparison made to show such a similarity: to draw an analogy between an atom and the solar system
3.  biology the relationship between analogous organs or parts
4.  logic, maths a form of reasoning in which a similarity between two or more things is inferred from a known similarity between them in other respects
5.  linguistics imitation of existing models or regular patterns in the formation of words, inflections, etc: a child may use ``sheeps'' as the plural of ``sheep'' by analogy with ``dog'', ``dogs'', ``cat'', ``cats'', etc
 
[C16: from Greek analogia ratio, correspondence, from analogosanalogous]
 
analogical
 
adj
 
ana'logic
 
adj
 
ana'logically
 
adv
 
a'nalogist
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

analogy
1540s, from L. analogia, from Gk. analogia "proportion," from ana- "upon, according to" + logos "ratio," also "word, speech, reckoning." A mathematical term used in a wider sense by Plato.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Cultural Dictionary
analogy [(uh-nal-uh-jee)]

A comparison of two different things that are alike in some way (see metaphor and simile). An analogy attributed to Samuel Johnson is: “Dictionaries are like watches; the worst is better than none, and the best cannot be expected to go quite true.”

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

analogy

in biology, similarity of function and superficial resemblance of structures that have different origins. For example, the wings of a fly, a moth, and a bird are analogous because they developed independently as adaptations to a common function-flying. The presence of the analogous structure, in this case the wing, does not reflect evolutionary closeness among the organisms that possess it. Analogy is one aspect of evolutionary biology and is distinct from homology (q.v.), the similarity of structures as a result of similar embryonic origin and development, considered strong evidence of common descent

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
And so we turn, eagerly, for a fresher analogy.
Most espionage fiction of recent years bears a conscious analogy to a chess
  game.
The greatest danger to a speculative biologist is analogy.
The analogy of a high-wire walker inspires women to find order in their lives.
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