(physics) 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.

(sciences) The science and technology of generating and controlling photons, particularly in the visible and near infrared light spectrum.

of, or relating to photons or to photonics

plural of photon

By means of photonics.

(New Age) A mythical dangerous belt of photons emanating from the Pleiades that will collide with the Earth in the near future according to New Age mystics.

The technology discipline related to production of optical switching electronic devices using integrated circuit manufacturing technology

(physics) The transmission of light through apertures of dimension smaller than the wavelength of the light by quantum tunnelling

plural of photon belt

plural of photon sail