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Photon |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.07 sec. |
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photon /pho·ton/ (fo´ton) a particle (quantum) of radiant energy.
Photon A light particle. Mentioned in: Positron Emission Tomography photon (fō´ton), n a bullet or quantum of electromagnetic radiant energy emitted and propagated from various types of radiation sources. The term should not be used alone but should be qualified by terms that will clarify the type of energy (e.g., light photon, radiographic photon). photon a particle (quantum) of radiant energy. x-ray photon a particle of x-ray energy. |
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