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calculation

[kal-kyuh-ley-shuh n]
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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.
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Origin of calculation

1350–1400; Middle English < Late Latin calculātiōn- (stem of calculātiō reckoning). See calculate, -ion
Related formscal·cu·la·tive [kal-kyuh-ley-tiv, ‐luh-tiv] /ˈkæl kyəˌleɪ tɪv, ‐lə tɪv/, cal·cu·la·tion·al, cal·cu·la·to·ry [kal-kyuh-luh-tawr-ee, ‐tohr-ee] /ˈkæl kyə ləˌtɔr i, ‐ˌtoʊr i/, adjectivenon·cal·cu·la·tive, adjectivepre·cal·cu·la·tion, nounun·cal·cu·la·tive, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for precalculation

calculation

noun
  1. the act, process, or result of calculating
  2. an estimation of probability; forecast
  3. careful planning or forethought, esp for selfish motives
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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

Word Origin and History for precalculation

calculation

n.

late 14c., from Late Latin calculationem (nominative calculatio), noun of action from past participle stem of calculare "to reckon, compute," from Latin calculus "reckoning, account," originally "pebble used in counting," diminutive of calx (genitive calcis) "limestone" (see chalk (n.)).

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Online Etymology Dictionary, © 2010 Douglas Harper