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calculation

[kal-kyuh-ley-shuh n] /ˌkæl kyəˈleɪ ʃən/
noun
1.
the act or process of calculating; computation.
2.
the result or product of calculating:
His calculations agree with ours.
3.
an estimate based on the known facts; forecast:
Her calculation of the building costs proved quite accurate.
4.
forethought; prior or careful planning.
5.
scheming selfishness.
Origin
1350-1400
1350-1400; Middle English < Late Latin calculātiōn- (stem of calculātiō reckoning). See calculate, -ion
Related forms
calculative
[kal-kyuh-ley-tiv, ‐luh-tiv] /ˈkæl kyəˌleɪ tɪv, ‐lə tɪv/ (Show IPA),
calculational, calculatory
[kal-kyuh-luh-tawr-ee, ‐tohr-ee] /ˈkæl kyə ləˌtɔr i, ‐ˌtoʊr i/ (Show IPA),
adjective
noncalculative, adjective
precalculation, noun
uncalculative, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for calculative

calculation

/ˌkælkjʊˈleɪʃən/
noun
1.
the act, process, or result of calculating
2.
an estimation of probability; forecast
3.
careful planning or forethought, esp for selfish motives
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 calculative
calculation
late 14c., from L.L. calculationem (nom. calculatio), from calculare "to reckon, compute," from L. calculus "reckoning, account," originally "pebble used in counting," dim. of calx (gen. calcis) "limestone" (see chalk).
Online Etymology Dictionary, © 2010 Douglas Harper
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