-on

suffix

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

The electron is a subatomic particle.

意味（1）

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

意味（2）

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

意味（3）

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