• synonyms


noun Chemistry.
  1. a salt or ester of a vanadic acid.
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Also va·na·di·ate [vuh-ney-dee-eyt] /vəˈneɪ diˌeɪt/.

Origin of vanadate

First recorded in 1830–40; vanad(ic acid) + -ate2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for vanadate

Historical Examples

  • Vanadate of ammonia mixed with solution of galls forms a black fluid, which is the best writing ink hitherto known.

    Cooley's Practical Receipts, Volume II

    Arnold Cooley

  • The vanadate of ammonia, mixed with infusion of nutgalls, forms a black liquid, which is the best writing-ink hitherto known.

British Dictionary definitions for vanadate


  1. any salt or ester of a vanadic 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