-on

//-ɒn// suffix

Definitions

Suffix
  1. 1
    Forming nouns denoting subatomic particles and quanta. morpheme

    "photon, proton"

  2. 2
    Forming names of noble gases and certain nonmetal elements. morpheme

    "boron, silicon"

  3. 3
    Forming names of things considered as basic or fundamental units. morpheme

    "codon, recon"

  4. 4
    Forms names for chemical compounds, often proprietary. morpheme

Etymology

Etymology 1

From -on in electron, reinforced by Ancient Greek neuter nouns and adjectives ending in -ον (-on).

Etymology 2

Back-formation from carbon, first applied to boron and then to silicon.

Etymology 3

From the combining form of -one, as in sulfon-ic. Compare also -thion.

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