• synonyms


or cur·vi·lin·e·al

See more synonyms for curvilinear on Thesaurus.com
  1. consisting of or bounded by curved lines: a curvilinear figure.
  2. forming or moving in a curved line.
  3. formed or characterized by curved lines.
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Origin of curvilinear

1700–10; < Latin curv(us) curve + -i- + linear
Related formscur·vi·lin·e·ar·i·ty [kur-vuh-lin-ee-ar-i-tee] /ˌkɜr vəˌlɪn iˈær ɪ ti/, nouncur·vi·lin·e·ar·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for curvilinear

arced, arched, arciform, bending, bent, bowed, rounded, arching, arcuate

Examples from the Web for curvilinear

Contemporary Examples of curvilinear

Historical Examples of curvilinear

British Dictionary definitions for curvilinear



  1. consisting of, bounded by, or characterized by a curved line
  2. along a curved linecurvilinear motion
  3. maths (of a set of coordinates) determined by or determining a system of three orthogonal surfaces
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Derived Formscurvilinearity, nouncurvilinearly, adverb
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 curvilinear


1710, from curvi-, comb. form of Latin curvus (see curve (v.)) + linearis, from linea "line" (see line (n.)). Earlier was curvilineal (1650s).

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Online Etymology Dictionary, © 2010 Douglas Harper

curvilinear in Science


  1. Formed, bounded, or characterized by curved lines.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.