Loading page
say it: FOH-tahn
photon is a noun meaning "a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle". It is pronounced /ˈfoʊˌtɑn/ — FOH-tahn. It carries one recorded sense.
a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for photon come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.