As a noun ion is
ion (electrically charged atom).
ity
Not English
Ity has no English definition. It may be misspelled.
English words similar to 'ity':
itty
ion
Noun
(
en noun)
An atom or group of atoms bearing an electrical charge such as the sodium and chlorine atoms in a salt solution.
Derived terms
* anion
* autoion
* byion
* cation
* coion
* counterion
* gegenion
* ionic
* ionise, ionize
* ionogenic
* ionome
* macroion
* microion
* multiion
* nebenion
* photoion
* polyion
* sulphion
* thermion