cation
or kat·i·on
a positively charged ion that is attracted to the cathode in electrolysis.
any positively charged atom or group of atoms (opposed to anion).
Origin of cation
1Other words from cation
- cat·i·on·ic [kat-ahy-on-ik], /ˌkæt aɪˈɒn ɪk/, adjective
- cat·i·on·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for cation
/ (ˈkætaɪən) /
a positively charged ion; an ion that is attracted to the cathode during electrolysis: Compare anion
Origin of cation
1Derived forms of cation
- cationic (ˌkætaɪˈɒnɪk), adjective
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
Scientific definitions for cation
[ kăt′ī′ən ]
An ion with net positive charge, having more protons than electrons. In electrolysis, cations migrate to a negatively charged cathode. Compare anion.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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