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/-ɒn/ · suffix
(physics, mathematics) Forming nouns denoting subatomic particles and quanta..
photon, proton
boron, silicon
codon, recon
Use -on when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
-on means (physics, mathematics) Forming nouns denoting subatomic particles and quanta..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
photon, proton
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