单词 | cation |
释义 | cationor kat·i·on[ kat-ahy-uhn, -on ] / ˈkætˌaɪ ən, -ɒn / noun Physical Chemistry.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 cation1825–35; <Greek katión going down (neuter of katiṓn, present participle of kateînai ), equivalent to kat- cat- + -i- go + -on neuter present participle suffix OTHER WORDS FROM cationcat·i·on·ic [kat-ahy-on-ik], /ˌkæt aɪˈɒn ɪk/, adjectivecat·i·on·i·cal·ly, adverbWords nearby cationcatholicus, cathouse, Cathy, Catilinarian, Catiline, cation, cation exchange, cation-exchange resin, cationic detergent, catkin, catlike Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for cation
British Dictionary definitions for cationcation / (ˈkætaɪən) / nouna positively charged ion; an ion that is attracted to the cathode during electrolysisCompare anion Derived forms of cationcationic (ˌkætaɪˈɒnɪk), adjectiveWord Origin for cationC19: from cata- + ion 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 Medical definitions for cationcation [ kăt′ī′ən ] n.An ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for cationcation [ 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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