What is the meaning of -on?

Forming nouns denoting subatomic particles , quanta , molecular units , or substances .

Forming names of things considered as basic or fundamental units, such as codon or recon.

Forming names of noble gases and certain nonmetal elements (such as boron or silicon).

patient trigger verbal affix, infinitive form

1. non-durative action; an action done unto something or someone without necessarily referencing the duration of the act; see Perfective aspect

   non-durative action; an action done unto something or someone without necessarily referencing the duration of the act; see Perfective aspect

   go to do/get/achieve something

   make into such state

   do something in such manner

   call someone by that name or title

   do at such time

   strike with so-and-so

   contemplative aspect of -on

   somewhat, kind of, -ish

   worth much

   forms demonyms

   Alternative form of -onon

   -one

   -one

   -on

   Suffix variant for the illative singular, see -Vn.

   forms augmentative nouns

   forms perfective aspect, which require patient pronouns

   Used to form nouns denoting subatomic particles, quanta, molecular units, or substances; -on

   Used to form nouns denoting certain organic compounds; -one, -on

   Used to form nouns denoting chemical substances and industrial products; -on

   Alternative form of -en (suffix forming past participles)

   used to form the infinitive of class 2 weak verbs (an alternative ending -oian is sometimes found instead of -on)

   Forming diminutives of things, including some animals.

   Forming augmentatives of things.

   Indicating origin or occupation.

   -on

   Romanization of -𐍉𐌽

   on

   Added to a stem ― often an onomatopoeia ― to form a verb, normally expressing an instantaneous action.

   Added to an adjective to create an adverb.

   Forms the indefinite third-person singular suffix (currently only in the imperative mood as part of -jon, formerly also occurring in the indicative).

   forms masculine nouns

   Obsolete spelling of -ón.

   Used in many names of berries and some fruits.

   Pluralisation suffix

   verb suffix for the first-person plural preterite

   verb suffix for the third-person plural preterite

   Noun suffix

   Source: wiktionary.org