Definition of -on

1. Suffix. (physics and biology) Forming nouns denoting subatomic particles (qualifier proton), quanta (qualifier photon), molecular units (qualifier codon), or substances (qualifier interferon). ¹

2. Suffix. (biology genetics) Forming names of things considered as basic or fundamental units, such as codon or recon. ¹

3. Suffix. (chemistry) Forming names of noble gases and certain other elements (such as boron or carbon). ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of -on

-off
-oholic
-oi
-oic
-oid
-oideae
-ol
-ola
-ologist
-ology
-oma
-omas
-omata
-ome
-omics
-on (current term)
-one
-onomics
-onomy
-onym
-opia
-opsida
-opsy
-or
-orama
-ory
-os
-os-
-oscopy
-ose

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