• synonyms


[nik-uh-luh s]
adjective Chemistry.
  1. containing bivalent nickel.
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Origin of nickelous

First recorded in 1875–80; nickel + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for nickelous

Historical Examples of nickelous

  • From nickelous carbonate and hydrochloric acid, as the acetate.

    Cooley's Practical Receipts, Volume II

    Arnold Cooley

  • By crystallising a mixture of nickelous and potassium sulphates.

  • By neutralising acetic acid with nickelous carbonate, and gently concentrating by evaporation, so that crystals may form.

  • Sodium and ammonium sulphates form similar compounds with nickelous sulphate.

  • In other respects, its physiological action seems to be very similar to that of nickelous oxide.

British Dictionary definitions for nickelous


  1. of or containing nickel, esp in the divalent state
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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