katiooni
Katiooni is the genitive singular form of the Estonian noun katioon, which denotes a positively charged ion in chemistry. In scientific and educational contexts, katioon corresponds to the concept of a cation, used in contrast with anioon, the negatively charged ion. The form katiooni is used to indicate possession or relation, for example in phrases such as katiooni laeng (the charge of the cation) or katiooni elektronid (the cation’s electrons).
As a grammatical form, katiooni does not represent a separate lexical item beyond the noun katioon. It
Etymology and related terms: katioon is a borrowing from English cation, which in turn traces its origins
See also: katioon, anioon, ion, electrostatics, chemical ionization.
Note: In everyday Estonian, katiooni is primarily encountered as a grammatical form within sentences. When discussing