Definition of Photon

1. Noun. A quantum of electromagnetic radiation; an elementary particle that is its own antiparticle.




Definition of Photon

1. Noun. (particles) 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. ¹

¹ Source: wiktionary.com

Definition of Photon

1. an elementary particle [n -S] : PHOTONIC [adj]

Medical Definition of Photon

1. A quantum unit of light energy. (09 Oct 1997)

Photon Pictures

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Lexicographical Neighbors of Photon

photomicroscope
photomicroscopes
photomontage
photomontages
photomorphogenesis
photomorphogenic
photomosaic
photomosaics
photomultiplier
photomultiplier tube
photomultipliers
photomural
photomurals
photomutagenicity
photomyoclonus
photon (current term)
photon belt
photon belts
photon density
photon sail
photon sails
photon tunnelling
photonastic
photoncia
photonegative
photonephelometer
photonephelometers
photoneutrino
photoneutrinos
photoneutron

Literary usage of Photon

Below you will find example usage of this term as found in modern and/or classical literature:

1. Technical Digest edited by G. W. Day, D. L. Franzen, P. A. Williams (1999)
"However, nowaday photon pair sources can be made cheap and compact enough to offer practical alternatives for many of the traditional measurement schemes. ..."

2. Science by American Association for the Advancement of Science (1883)
"In the following paragraphs I shall describe a new, nonelectronic method, based on two-photon fluorescence, developed in order to overcome this difficulty ..."

3. Computing Radiation Dosimetry: CRD 2002, Workshop Proceedings, Sacavém by OECD Nuclear Energy Agency, Instituto Tecnologico e Nuclear (2004)
"Figure 7 presents the results for An/AT (per primary photon of initial energy T) as a function of photon energy T for the four selected primary energies of ..."

4. The Dimensional Structure of Consciousness: A Physical Basis for Immaterialism by Samuel Avery (1995)
"The photon Screen and the Quantum Screen The quantum screen that we have been discussing is an extrapolation of what we may call the “photon screen” and ..."

5. Occupational Exposure Management at Nuclear Power Plants: Fourth ISOE by European Commission, European Technical Centre (2005)
"... Individual Dosimetry in Mixed Neutron and photon Radiation Fields"). The aim of this project is the optimisation of individual monitoring at workplaces ..."

6. The Origin and Its Meaning: On the Origin of the Universe and Its Mechanics by Roger Ellman (2004)
"It is the change in the U-wave field that results in the photon's energy. The photon also carries momentum. Momentum being a vector quantity (having ..."

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