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coordination number

noun Crystallography.
  1. the number of anions surrounding a single cation in a stable crystal structure.
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Origin of coordination number

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for coordination number

coordination number

noun
  1. chem the number of coordinated species surrounding the central atom in a complex or crystal
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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