-ion


-ion

suff.1. a. Action or process: completion.b. Result of an action or process: indention.2. State or condition: dehydration.
[Middle English, from Old French, from Latin -iō, -iōn-, n. suff.]

-ion

suffix forming nouns indicating an action, process, or state: creation; objection. Compare -ation, -tion [from Latin -iōn-, -io]

i•on

(ˈaɪ ən, ˈaɪ ɒn)

n. 1. an atom or atom group electrically charged by the loss or gain of electrons, represented by a plus or a minus sign, as a cation (Na + , Ca + + ) or anion (Cl−). 2. one of the electrically charged particles formed in a gas by electric discharge. [< Greek ión going, neuter present participle of iénai to go; term introduced by Michael Faraday in 1834] i•on′ic, adj.

-ion

a suffix, appearing in words of Latin origin, denoting action or condition, used to form nouns from stems of adjectives (communion; union) and verbs (legion; opinion; suspicion). Compare -tion. [Middle English -ioun < Anglo-French < Latin -iōnem, acc. of -iō suffix forming nouns]

Ion.

Ionic.