Etymology
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From photo- + -on. Coined by American physicist Leonard Troland in 1916 as a unit of light hitting the retina, and later popularized in a more modern sense by Gilbert N. Lewis, with the term gaining acceptance in the physics community by the late 1920s.
Pronunciation
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photon (plural photons)
- (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.
2013 July-August, Fenella Saunders, “Tiny Lenses See the Big Picture”, in American Scientist: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.
Derived terms
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Translations
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quantum of light
- Arabic: فُوتُون m (futūn)
- Armenian: ֆոտոն (hy) (foton)
- Asturian: fotón m
- Basque: fotoi (eu)
- Belarusian: фато́н m (fatón)
- Bengali: ফোটন (bn) (phōṭon)
- Bulgarian: фото́н m (fotón)
- Burmese: ဖိုတွန် (hpui-twan)
- Catalan: fotó (ca) m
- Chinese:
- Hokkien: 光子 (kng chú)
- Mandarin: 光子 (zh) (guāngzǐ)
- Czech: foton (cs) m
- Danish: foton c
- Dutch: foton (nl) n, lichtdeeltje (nl)
- Esperanto: fotono
- Estonian: footon (et), valguseosake
- Finnish: fotoni (fi), valohiukkanen
- French: photon (fr) m
- Galician: fotón (gl) m
- Georgian: ფოტონი (poṭoni)
- German: Photon (de) n, Lichtteilchen
- Greek: φωτόνιο (el) n (fotónio)
- Gujarati: પ્રકાશાણુ m (prakāśāṇu)
- Hebrew: פוטון (he) m
- Hindi: प्रकाशाणु (prakāśāṇu), फ़ोटोन (foṭon)
- Hungarian: foton (hu)
- Icelandic: ljóseind (is) f, fótóna f, (uncommon) ljósögn f
- Ido: fotono (io)
- Italian: fotone (it) m
- Japanese: 光子 (ja) (こうし, kōshi)
- Khmer: អាភាណូ (aapʰie noo)
- Korean: 광자(光子) (ko) (gwangja)
- Low German:
- German Low German: Lichtdeelken
- Macedonian: фотон m (foton)
- Malagasy: voan-kazavana (mg)
- Malay: foton (ms)
- Maori: pūaho
- Marathi: प्रकाशाणू m (prakāśāṇū)
- Mongolian: фотон (foton) ᠹᠣᠲ᠋ᠣᠨ (foton)
- Nepali: प्रकाशाणु (prakāśāṇu)
- Norwegian: foton n, lyskvant
- Bokmål: lyskvant, foton n
- Nynorsk: lyskvant, foton n
- Persian: فوتون (fa) (foton)
- Polish: foton (pl) m
- Portuguese:
- Brazilian: fóton (pt) m
- European: fotão (pt) m
- Romanian: foton (ro) m
- Russian: фото́н (ru) m (fotón)
- Sanskrit: प्रकाशाणु m (prakāśāṇu)
- Serbo-Croatian:
- Cyrillic: фо̀то̄н m
- Roman: fòtōn (sh) m
- Spanish: fotón (es) m
- Swahili: fotoni
- Swedish: foton (sv) c
- Tagalog: sugapik
- Tamil: ஒளியன் (oḷiyaṉ)
- Thai: โฟตอน (fohdton)
- Turkish: foton (tr)
- Ukrainian: фото́н m (fotón)
- Vietnamese: quang tử (光子)
- Võro: foodon
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See also
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Anagrams
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