-on

  1. Suffix.  (physics, and) Forming nouns denoting subatomic particles (qualifier, proton) , quanta (qualifier, photon) , molecular units (qualifier, codon) , or substances (qualifier, interferon) .
  2. Suffix.  (biology, genetics) Forming names of things considered as basic or fundamental units, such as codon or recon.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.