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  1. that results; following as a result or consequence.
  2. resulting from the combination of two or more agents: a resultant force.
  1. Mathematics, Physics. vector sum.
  2. Mathematics. a determinant the entries of which are the coefficients of each of two polynomials in a specified arrangement and the value of which determines whether the polynomials have a common factor.
  3. something that results.

Origin of resultant

1400–50; late Middle English: sum, noun use of Latin resultant- (stem of resultāns), present participle of resultāre. See result, -ant
Related formsre·sult·ant·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for resultant


  1. that results; resulting
  1. maths physics a single vector that is the vector sum of two or more other vectors
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 resultant


early 15c., from French résultant and directly from Medieval Latin resultantem (nominative resultans), present participle of resultare (see result (v.)).


1630s, from resultant (adj.) and from Medieval Latin resultantem (nominative resultans), present participle of resultare (see result (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper

resultant in Science


  1. A single vector that is the equivalent of a set of vectors.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.