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countable

[koun-tuh-buh l] /ˈkaʊn tə bəl/
adjective
1.
able to be counted.
2.
Mathematics.
  1. (of a set) having a finite number of elements.
  2. (of a set) having elements that form a one-to-one correspondence with the natural numbers; denumerable; enumerable.
Origin of countable
1400-1450
1400-50; late Middle English. See count1, -able
Related forms
countability, countableness, noun
countably, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for countable

countable

/ˈkaʊntəbəl/
adjective
1.
capable of being counted
2.
(maths, logic) able to be counted using the natural numbers; finite or denumerable
3.
(linguistics) denoting a count noun
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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countable in Technology

mathematics
A term describing a set which is isomorphic to a subet of the natural numbers. A countable set has "countably many" elements. If the isomorphism is stated explicitly then the set is called "a counted set" or "an enumeration".
Examples of countable sets are any finite set, the natural numbers, integers, and rational numbers. The real numbers and complex numbers are not [proof?].
(1999-08-29)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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