photon
Pronunciations (2)
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/ˈfəʊtɒn/
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ˈfəʊtɒn
Noun
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.
Usage- particle
- Examples
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More examples (1)
The single-imaging optic of the mammalian eye offers some distinct visual advantages. Such lenses can take in photons from a wide range of angles, increasing light sensitivity. They also have high spatial resolution, resolving incoming images in minute detail.
Noun
a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle
- Broader terms
Word forms
photons