English word photon comes from English -on, English photo- (Light, electromagnetic radiation. Photography.)
| Dictionary entry | Language | Definition |
|---|---|---|
| -on | English (eng) | (biology, genetics) Forming names of things considered as basic or fundamental units, such as codon or recon.. (chemistry) Forming names of noble gases and certain nonmetal elements (such as boron or silicon).. (physics, maths, and, biology) Forming nouns denoting subatomic particles (proton), quanta (photon), molecular units (codon), or substances (interferon). |
| photo- | English (eng) | Light, electromagnetic radiation. Photography. |
| photon | English (eng) | (particle) The quantum of light and other electromagnetic energy, regarded as a discrete particle having zero rest mass, no electric charge, and an indefinitely long lifetime. It is a gauge boson. |