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See more synonyms for oxalate on Thesaurus.com
noun Chemistry.
  1. any salt or ester of oxalic acid, occurring in plants, especially spinach, rhubarb, and certain other vegetables and nuts, and capable of forming an insoluble salt with calcium and interfering with its absorption by the body.
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Origin of oxalate

First recorded in 1785–85; oxal(ic) + -ate2
Related formssu·per·ox·a·late, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for oxalate


  1. a salt or ester of oxalic acid
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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

oxalate in Medicine


  1. A salt or ester of oxalic acid.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

oxalate in Science


  1. A salt or ester of oxalic acid.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.