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.

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