As nouns the difference between cation and dation
is that cation is (brazil) while dation is (rare|legal) the act of giving, granting or conferring (eg an office) but not liberal as a donation or gift.
cation
English
Noun
(
en noun)
(chemistry) A positively charged ion—opposed to anion.
(chemistry) The ion in an electrolyzed solution that migrates to the cathode.
Derived terms
* dication
* trication
* tetracation
Related terms
* anion
* ion
Anagrams
*
*
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dation
English
Noun
(
en noun)
(rare, legal) The act of giving, granting or conferring (e.g. an office) but not liberal as a donation or gift
(obsolete, medicine) A dose
Derived terms
* dation in payment
References
*OED 2nd edition.